diff --git a/asn1/RSPRO.asn b/asn1/RSPRO.asn
index 1214f91..e0dde2b 100644
--- a/asn1/RSPRO.asn
+++ b/asn1/RSPRO.asn
@@ -101,6 +101,24 @@
 	...
 }
 
+ErrorCode ::= ENUMERATED {
+	-- Bankd or Server has received connection form unknown client (no mapping)
+	unknownClientConnected		(1),
+	-- unexpected disconnect (typically bankd reports client disconnect)
+	unexpectedDisconnect		(2),
+	unexpectedProtocolVersion	(3),
+	...
+}
+
+ErrorString ::= IA5String (SIZE (1..255))
+
+ErrorSeverity ::= ENUMERATED {
+	minor				(1),
+	major				(2),
+	fatal				(3),
+	...
+}
+
 -- Slot number within a SIM bank or a client.
 SlotNumber ::= INTEGER(0..1023)
 
@@ -263,6 +281,22 @@
 	...
 }
 
+-- *->SERVER: indication about some kind of error
+ErrorInd ::= SEQUENCE {
+	-- whoever is detecting + sending us the error
+	sender		ComponentType,
+	severity	ErrorSeverity,
+	code		ErrorCode,
+	-- any bank-side slot that's affected
+	bankSlot	[0] BankSlot OPTIONAL,
+	-- any client-side slot that's affected
+	clientSlot	[1] ClientSlot OPTIONAL,
+	-- any additional textual information
+	errorString	[2] ErrorString OPTIONAL,
+	...
+}
+
+
 ----------------------------------------------------------------------
 -- PDU
 ----------------------------------------------------------------------
@@ -279,6 +313,7 @@
 	removeMappingRes	[7]	RemoveMappingRes,
 	configClientReq		[8]	ConfigClientReq,
 	configClientRes		[9]	ConfigClientRes,
+	errorInd		[16]	ErrorInd,
 	-- APDUs etc.
 	setAtrReq		[10]	SetAtrReq,
 	setAtrRes		[11]	SetAtrRes,
diff --git a/include/osmocom/rspro/ErrorCode.h b/include/osmocom/rspro/ErrorCode.h
new file mode 100644
index 0000000..1a8a62e
--- /dev/null
+++ b/include/osmocom/rspro/ErrorCode.h
@@ -0,0 +1,48 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#ifndef	_ErrorCode_H_
+#define	_ErrorCode_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include <NativeEnumerated.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum ErrorCode {
+	ErrorCode_unknownClientConnected	= 1,
+	ErrorCode_unexpectedDisconnect	= 2,
+	ErrorCode_unexpectedProtocolVersion	= 3
+	/*
+	 * Enumeration is extensible
+	 */
+} e_ErrorCode;
+
+/* ErrorCode */
+typedef long	 ErrorCode_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_ErrorCode;
+asn_struct_free_f ErrorCode_free;
+asn_struct_print_f ErrorCode_print;
+asn_constr_check_f ErrorCode_constraint;
+ber_type_decoder_f ErrorCode_decode_ber;
+der_type_encoder_f ErrorCode_encode_der;
+xer_type_decoder_f ErrorCode_decode_xer;
+xer_type_encoder_f ErrorCode_encode_xer;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _ErrorCode_H_ */
+#include <asn_internal.h>
diff --git a/include/osmocom/rspro/ErrorInd.h b/include/osmocom/rspro/ErrorInd.h
new file mode 100644
index 0000000..48bddf7
--- /dev/null
+++ b/include/osmocom/rspro/ErrorInd.h
@@ -0,0 +1,57 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#ifndef	_ErrorInd_H_
+#define	_ErrorInd_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include <osmocom/rspro/ComponentType.h>
+#include "ErrorSeverity.h"
+#include "ErrorCode.h"
+#include "ErrorString.h"
+#include <constr_SEQUENCE.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Forward declarations */
+struct BankSlot;
+struct ClientSlot;
+
+/* ErrorInd */
+typedef struct ErrorInd {
+	ComponentType_t	 sender;
+	ErrorSeverity_t	 severity;
+	ErrorCode_t	 code;
+	struct BankSlot	*bankSlot	/* OPTIONAL */;
+	struct ClientSlot	*clientSlot	/* OPTIONAL */;
+	ErrorString_t	*errorString	/* OPTIONAL */;
+	/*
+	 * This type is extensible,
+	 * possible extensions are below.
+	 */
+	
+	/* Context for parsing across buffer boundaries */
+	asn_struct_ctx_t _asn_ctx;
+} ErrorInd_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_ErrorInd;
+
+#ifdef __cplusplus
+}
+#endif
+
+/* Referred external types */
+#include <osmocom/rspro/BankSlot.h>
+#include <osmocom/rspro/ClientSlot.h>
+
+#endif	/* _ErrorInd_H_ */
+#include <asn_internal.h>
diff --git a/include/osmocom/rspro/ErrorSeverity.h b/include/osmocom/rspro/ErrorSeverity.h
new file mode 100644
index 0000000..90fa93f
--- /dev/null
+++ b/include/osmocom/rspro/ErrorSeverity.h
@@ -0,0 +1,48 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#ifndef	_ErrorSeverity_H_
+#define	_ErrorSeverity_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include <NativeEnumerated.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum ErrorSeverity {
+	ErrorSeverity_minor	= 1,
+	ErrorSeverity_major	= 2,
+	ErrorSeverity_fatal	= 3
+	/*
+	 * Enumeration is extensible
+	 */
+} e_ErrorSeverity;
+
+/* ErrorSeverity */
+typedef long	 ErrorSeverity_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_ErrorSeverity;
+asn_struct_free_f ErrorSeverity_free;
+asn_struct_print_f ErrorSeverity_print;
+asn_constr_check_f ErrorSeverity_constraint;
+ber_type_decoder_f ErrorSeverity_decode_ber;
+der_type_encoder_f ErrorSeverity_encode_der;
+xer_type_decoder_f ErrorSeverity_decode_xer;
+xer_type_encoder_f ErrorSeverity_encode_xer;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _ErrorSeverity_H_ */
+#include <asn_internal.h>
diff --git a/include/osmocom/rspro/ErrorString.h b/include/osmocom/rspro/ErrorString.h
new file mode 100644
index 0000000..00d3efe
--- /dev/null
+++ b/include/osmocom/rspro/ErrorString.h
@@ -0,0 +1,38 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#ifndef	_ErrorString_H_
+#define	_ErrorString_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include <IA5String.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* ErrorString */
+typedef IA5String_t	 ErrorString_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_ErrorString;
+asn_struct_free_f ErrorString_free;
+asn_struct_print_f ErrorString_print;
+asn_constr_check_f ErrorString_constraint;
+ber_type_decoder_f ErrorString_decode_ber;
+der_type_encoder_f ErrorString_encode_der;
+xer_type_decoder_f ErrorString_decode_xer;
+xer_type_encoder_f ErrorString_encode_xer;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _ErrorString_H_ */
+#include <asn_internal.h>
diff --git a/include/osmocom/rspro/Makefile.am b/include/osmocom/rspro/Makefile.am
index f189c0a..41df9dc 100644
--- a/include/osmocom/rspro/Makefile.am
+++ b/include/osmocom/rspro/Makefile.am
@@ -17,6 +17,10 @@
 	ConnectClientRes.h \
 	CreateMappingReq.h \
 	CreateMappingRes.h \
+	ErrorCode.h \
+	ErrorInd.h \
+	ErrorSeverity.h \
+	ErrorString.h \
 	IpAddress.h \
 	IpPort.h \
 	Ipv4Address.h \
diff --git a/include/osmocom/rspro/RsproPDUchoice.h b/include/osmocom/rspro/RsproPDUchoice.h
index 07d387e..98a8ca1 100644
--- a/include/osmocom/rspro/RsproPDUchoice.h
+++ b/include/osmocom/rspro/RsproPDUchoice.h
@@ -21,6 +21,7 @@
 #include <osmocom/rspro/RemoveMappingRes.h>
 #include <osmocom/rspro/ConfigClientReq.h>
 #include <osmocom/rspro/ConfigClientRes.h>
+#include "ErrorInd.h"
 #include <osmocom/rspro/SetAtrReq.h>
 #include <osmocom/rspro/SetAtrRes.h>
 #include <osmocom/rspro/TpduModemToCard.h>
@@ -46,6 +47,7 @@
 	RsproPDUchoice_PR_removeMappingRes,
 	RsproPDUchoice_PR_configClientReq,
 	RsproPDUchoice_PR_configClientRes,
+	RsproPDUchoice_PR_errorInd,
 	RsproPDUchoice_PR_setAtrReq,
 	RsproPDUchoice_PR_setAtrRes,
 	RsproPDUchoice_PR_tpduModemToCard,
@@ -70,6 +72,7 @@
 		RemoveMappingRes_t	 removeMappingRes;
 		ConfigClientReq_t	 configClientReq;
 		ConfigClientRes_t	 configClientRes;
+		ErrorInd_t	 errorInd;
 		SetAtrReq_t	 setAtrReq;
 		SetAtrRes_t	 setAtrRes;
 		TpduModemToCard_t	 tpduModemToCard;
diff --git a/src/rspro/ErrorCode.c b/src/rspro/ErrorCode.c
new file mode 100644
index 0000000..7b404fc
--- /dev/null
+++ b/src/rspro/ErrorCode.c
@@ -0,0 +1,132 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#include "ErrorCode.h"
+
+int
+ErrorCode_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	/* Replace with underlying type checker */
+	td->check_constraints = asn_DEF_NativeEnumerated.check_constraints;
+	return td->check_constraints(td, sptr, ctfailcb, app_key);
+}
+
+/*
+ * This type is implemented using NativeEnumerated,
+ * so here we adjust the DEF accordingly.
+ */
+static void
+ErrorCode_1_inherit_TYPE_descriptor(asn_TYPE_descriptor_t *td) {
+	td->free_struct    = asn_DEF_NativeEnumerated.free_struct;
+	td->print_struct   = asn_DEF_NativeEnumerated.print_struct;
+	td->check_constraints = asn_DEF_NativeEnumerated.check_constraints;
+	td->ber_decoder    = asn_DEF_NativeEnumerated.ber_decoder;
+	td->der_encoder    = asn_DEF_NativeEnumerated.der_encoder;
+	td->xer_decoder    = asn_DEF_NativeEnumerated.xer_decoder;
+	td->xer_encoder    = asn_DEF_NativeEnumerated.xer_encoder;
+	td->uper_decoder   = asn_DEF_NativeEnumerated.uper_decoder;
+	td->uper_encoder   = asn_DEF_NativeEnumerated.uper_encoder;
+	td->aper_decoder   = asn_DEF_NativeEnumerated.aper_decoder;
+	td->aper_encoder   = asn_DEF_NativeEnumerated.aper_encoder;
+	if(!td->per_constraints)
+		td->per_constraints = asn_DEF_NativeEnumerated.per_constraints;
+	td->elements       = asn_DEF_NativeEnumerated.elements;
+	td->elements_count = asn_DEF_NativeEnumerated.elements_count;
+     /* td->specifics      = asn_DEF_NativeEnumerated.specifics;	// Defined explicitly */
+}
+
+void
+ErrorCode_free(asn_TYPE_descriptor_t *td,
+		void *struct_ptr, int contents_only) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	td->free_struct(td, struct_ptr, contents_only);
+}
+
+int
+ErrorCode_print(asn_TYPE_descriptor_t *td, const void *struct_ptr,
+		int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	return td->print_struct(td, struct_ptr, ilevel, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorCode_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const void *bufptr, size_t size, int tag_mode) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	return td->ber_decoder(opt_codec_ctx, td, structure, bufptr, size, tag_mode);
+}
+
+asn_enc_rval_t
+ErrorCode_encode_der(asn_TYPE_descriptor_t *td,
+		void *structure, int tag_mode, ber_tlv_tag_t tag,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	return td->der_encoder(td, structure, tag_mode, tag, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorCode_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const char *opt_mname, const void *bufptr, size_t size) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	return td->xer_decoder(opt_codec_ctx, td, structure, opt_mname, bufptr, size);
+}
+
+asn_enc_rval_t
+ErrorCode_encode_xer(asn_TYPE_descriptor_t *td, void *structure,
+		int ilevel, enum xer_encoder_flags_e flags,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorCode_1_inherit_TYPE_descriptor(td);
+	return td->xer_encoder(td, structure, ilevel, flags, cb, app_key);
+}
+
+static const asn_INTEGER_enum_map_t asn_MAP_ErrorCode_value2enum_1[] = {
+	{ 1,	22,	"unknownClientConnected" },
+	{ 2,	20,	"unexpectedDisconnect" },
+	{ 3,	25,	"unexpectedProtocolVersion" }
+	/* This list is extensible */
+};
+static const unsigned int asn_MAP_ErrorCode_enum2value_1[] = {
+	1,	/* unexpectedDisconnect(2) */
+	2,	/* unexpectedProtocolVersion(3) */
+	0	/* unknownClientConnected(1) */
+	/* This list is extensible */
+};
+static const asn_INTEGER_specifics_t asn_SPC_ErrorCode_specs_1 = {
+	asn_MAP_ErrorCode_value2enum_1,	/* "tag" => N; sorted by tag */
+	asn_MAP_ErrorCode_enum2value_1,	/* N => "tag"; sorted by N */
+	3,	/* Number of elements in the maps */
+	4,	/* Extensions before this member */
+	1,	/* Strict enumeration */
+	0,	/* Native long size */
+	0
+};
+static const ber_tlv_tag_t asn_DEF_ErrorCode_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (10 << 2))
+};
+asn_TYPE_descriptor_t asn_DEF_ErrorCode = {
+	"ErrorCode",
+	"ErrorCode",
+	ErrorCode_free,
+	ErrorCode_print,
+	ErrorCode_constraint,
+	ErrorCode_decode_ber,
+	ErrorCode_encode_der,
+	ErrorCode_decode_xer,
+	ErrorCode_encode_xer,
+	0, 0,	/* No UPER support, use "-gen-PER" to enable */
+	0, 0,	/* No APER support, use "-gen-PER" to enable */
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_ErrorCode_tags_1,
+	sizeof(asn_DEF_ErrorCode_tags_1)
+		/sizeof(asn_DEF_ErrorCode_tags_1[0]), /* 1 */
+	asn_DEF_ErrorCode_tags_1,	/* Same as above */
+	sizeof(asn_DEF_ErrorCode_tags_1)
+		/sizeof(asn_DEF_ErrorCode_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	0, 0,	/* Defined elsewhere */
+	&asn_SPC_ErrorCode_specs_1	/* Additional specs */
+};
+
diff --git a/src/rspro/ErrorInd.c b/src/rspro/ErrorInd.c
new file mode 100644
index 0000000..63e96d4
--- /dev/null
+++ b/src/rspro/ErrorInd.c
@@ -0,0 +1,109 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#include "ErrorInd.h"
+
+static asn_TYPE_member_t asn_MBR_ErrorInd_1[] = {
+	{ ATF_NOFLAGS, 0, offsetof(struct ErrorInd, sender),
+		(ASN_TAG_CLASS_UNIVERSAL | (10 << 2)),
+		0,
+		&asn_DEF_ComponentType,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"sender"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct ErrorInd, severity),
+		(ASN_TAG_CLASS_UNIVERSAL | (10 << 2)),
+		0,
+		&asn_DEF_ErrorSeverity,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"severity"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct ErrorInd, code),
+		(ASN_TAG_CLASS_UNIVERSAL | (10 << 2)),
+		0,
+		&asn_DEF_ErrorCode,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"code"
+		},
+	{ ATF_POINTER, 3, offsetof(struct ErrorInd, bankSlot),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_BankSlot,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"bankSlot"
+		},
+	{ ATF_POINTER, 2, offsetof(struct ErrorInd, clientSlot),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_ClientSlot,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"clientSlot"
+		},
+	{ ATF_POINTER, 1, offsetof(struct ErrorInd, errorString),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_ErrorString,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"errorString"
+		},
+};
+static const ber_tlv_tag_t asn_DEF_ErrorInd_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_ErrorInd_tag2el_1[] = {
+    { (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)), 0, 0, 2 }, /* sender */
+    { (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)), 1, -1, 1 }, /* severity */
+    { (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)), 2, -2, 0 }, /* code */
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 3, 0, 0 }, /* bankSlot */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 4, 0, 0 }, /* clientSlot */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 5, 0, 0 } /* errorString */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_ErrorInd_specs_1 = {
+	sizeof(struct ErrorInd),
+	offsetof(struct ErrorInd, _asn_ctx),
+	asn_MAP_ErrorInd_tag2el_1,
+	6,	/* Count of tags in the map */
+	0, 0, 0,	/* Optional elements (not needed) */
+	5,	/* Start extensions */
+	7	/* Stop extensions */
+};
+asn_TYPE_descriptor_t asn_DEF_ErrorInd = {
+	"ErrorInd",
+	"ErrorInd",
+	SEQUENCE_free,
+	SEQUENCE_print,
+	SEQUENCE_constraint,
+	SEQUENCE_decode_ber,
+	SEQUENCE_encode_der,
+	SEQUENCE_decode_xer,
+	SEQUENCE_encode_xer,
+	0, 0,	/* No UPER support, use "-gen-PER" to enable */
+	0, 0,	/* No APER support, use "-gen-PER" to enable */
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_ErrorInd_tags_1,
+	sizeof(asn_DEF_ErrorInd_tags_1)
+		/sizeof(asn_DEF_ErrorInd_tags_1[0]), /* 1 */
+	asn_DEF_ErrorInd_tags_1,	/* Same as above */
+	sizeof(asn_DEF_ErrorInd_tags_1)
+		/sizeof(asn_DEF_ErrorInd_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_ErrorInd_1,
+	6,	/* Elements count */
+	&asn_SPC_ErrorInd_specs_1	/* Additional specs */
+};
+
diff --git a/src/rspro/ErrorSeverity.c b/src/rspro/ErrorSeverity.c
new file mode 100644
index 0000000..cae6447
--- /dev/null
+++ b/src/rspro/ErrorSeverity.c
@@ -0,0 +1,132 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#include "ErrorSeverity.h"
+
+int
+ErrorSeverity_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	/* Replace with underlying type checker */
+	td->check_constraints = asn_DEF_NativeEnumerated.check_constraints;
+	return td->check_constraints(td, sptr, ctfailcb, app_key);
+}
+
+/*
+ * This type is implemented using NativeEnumerated,
+ * so here we adjust the DEF accordingly.
+ */
+static void
+ErrorSeverity_1_inherit_TYPE_descriptor(asn_TYPE_descriptor_t *td) {
+	td->free_struct    = asn_DEF_NativeEnumerated.free_struct;
+	td->print_struct   = asn_DEF_NativeEnumerated.print_struct;
+	td->check_constraints = asn_DEF_NativeEnumerated.check_constraints;
+	td->ber_decoder    = asn_DEF_NativeEnumerated.ber_decoder;
+	td->der_encoder    = asn_DEF_NativeEnumerated.der_encoder;
+	td->xer_decoder    = asn_DEF_NativeEnumerated.xer_decoder;
+	td->xer_encoder    = asn_DEF_NativeEnumerated.xer_encoder;
+	td->uper_decoder   = asn_DEF_NativeEnumerated.uper_decoder;
+	td->uper_encoder   = asn_DEF_NativeEnumerated.uper_encoder;
+	td->aper_decoder   = asn_DEF_NativeEnumerated.aper_decoder;
+	td->aper_encoder   = asn_DEF_NativeEnumerated.aper_encoder;
+	if(!td->per_constraints)
+		td->per_constraints = asn_DEF_NativeEnumerated.per_constraints;
+	td->elements       = asn_DEF_NativeEnumerated.elements;
+	td->elements_count = asn_DEF_NativeEnumerated.elements_count;
+     /* td->specifics      = asn_DEF_NativeEnumerated.specifics;	// Defined explicitly */
+}
+
+void
+ErrorSeverity_free(asn_TYPE_descriptor_t *td,
+		void *struct_ptr, int contents_only) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	td->free_struct(td, struct_ptr, contents_only);
+}
+
+int
+ErrorSeverity_print(asn_TYPE_descriptor_t *td, const void *struct_ptr,
+		int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	return td->print_struct(td, struct_ptr, ilevel, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorSeverity_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const void *bufptr, size_t size, int tag_mode) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	return td->ber_decoder(opt_codec_ctx, td, structure, bufptr, size, tag_mode);
+}
+
+asn_enc_rval_t
+ErrorSeverity_encode_der(asn_TYPE_descriptor_t *td,
+		void *structure, int tag_mode, ber_tlv_tag_t tag,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	return td->der_encoder(td, structure, tag_mode, tag, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorSeverity_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const char *opt_mname, const void *bufptr, size_t size) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	return td->xer_decoder(opt_codec_ctx, td, structure, opt_mname, bufptr, size);
+}
+
+asn_enc_rval_t
+ErrorSeverity_encode_xer(asn_TYPE_descriptor_t *td, void *structure,
+		int ilevel, enum xer_encoder_flags_e flags,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorSeverity_1_inherit_TYPE_descriptor(td);
+	return td->xer_encoder(td, structure, ilevel, flags, cb, app_key);
+}
+
+static const asn_INTEGER_enum_map_t asn_MAP_ErrorSeverity_value2enum_1[] = {
+	{ 1,	5,	"minor" },
+	{ 2,	5,	"major" },
+	{ 3,	5,	"fatal" }
+	/* This list is extensible */
+};
+static const unsigned int asn_MAP_ErrorSeverity_enum2value_1[] = {
+	2,	/* fatal(3) */
+	1,	/* major(2) */
+	0	/* minor(1) */
+	/* This list is extensible */
+};
+static const asn_INTEGER_specifics_t asn_SPC_ErrorSeverity_specs_1 = {
+	asn_MAP_ErrorSeverity_value2enum_1,	/* "tag" => N; sorted by tag */
+	asn_MAP_ErrorSeverity_enum2value_1,	/* N => "tag"; sorted by N */
+	3,	/* Number of elements in the maps */
+	4,	/* Extensions before this member */
+	1,	/* Strict enumeration */
+	0,	/* Native long size */
+	0
+};
+static const ber_tlv_tag_t asn_DEF_ErrorSeverity_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (10 << 2))
+};
+asn_TYPE_descriptor_t asn_DEF_ErrorSeverity = {
+	"ErrorSeverity",
+	"ErrorSeverity",
+	ErrorSeverity_free,
+	ErrorSeverity_print,
+	ErrorSeverity_constraint,
+	ErrorSeverity_decode_ber,
+	ErrorSeverity_encode_der,
+	ErrorSeverity_decode_xer,
+	ErrorSeverity_encode_xer,
+	0, 0,	/* No UPER support, use "-gen-PER" to enable */
+	0, 0,	/* No APER support, use "-gen-PER" to enable */
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_ErrorSeverity_tags_1,
+	sizeof(asn_DEF_ErrorSeverity_tags_1)
+		/sizeof(asn_DEF_ErrorSeverity_tags_1[0]), /* 1 */
+	asn_DEF_ErrorSeverity_tags_1,	/* Same as above */
+	sizeof(asn_DEF_ErrorSeverity_tags_1)
+		/sizeof(asn_DEF_ErrorSeverity_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	0, 0,	/* Defined elsewhere */
+	&asn_SPC_ErrorSeverity_specs_1	/* Additional specs */
+};
+
diff --git a/src/rspro/ErrorString.c b/src/rspro/ErrorString.c
new file mode 100644
index 0000000..82c4700
--- /dev/null
+++ b/src/rspro/ErrorString.c
@@ -0,0 +1,143 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RSPRO"
+ * 	found in "../../asn1/RSPRO.asn"
+ */
+
+#include "ErrorString.h"
+
+static int check_permitted_alphabet_1(const void *sptr) {
+	/* The underlying type is IA5String */
+	const IA5String_t *st = (const IA5String_t *)sptr;
+	const uint8_t *ch = st->buf;
+	const uint8_t *end = ch + st->size;
+	
+	for(; ch < end; ch++) {
+		uint8_t cv = *ch;
+		if(!(cv <= 127l)) return -1;
+	}
+	return 0;
+}
+
+int
+ErrorString_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const IA5String_t *st = (const IA5String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = st->size;
+	
+	if((size >= 1l && size <= 255l)
+		 && !check_permitted_alphabet_1(st)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
+/*
+ * This type is implemented using IA5String,
+ * so here we adjust the DEF accordingly.
+ */
+static void
+ErrorString_1_inherit_TYPE_descriptor(asn_TYPE_descriptor_t *td) {
+	td->free_struct    = asn_DEF_IA5String.free_struct;
+	td->print_struct   = asn_DEF_IA5String.print_struct;
+	td->check_constraints = asn_DEF_IA5String.check_constraints;
+	td->ber_decoder    = asn_DEF_IA5String.ber_decoder;
+	td->der_encoder    = asn_DEF_IA5String.der_encoder;
+	td->xer_decoder    = asn_DEF_IA5String.xer_decoder;
+	td->xer_encoder    = asn_DEF_IA5String.xer_encoder;
+	td->uper_decoder   = asn_DEF_IA5String.uper_decoder;
+	td->uper_encoder   = asn_DEF_IA5String.uper_encoder;
+	td->aper_decoder   = asn_DEF_IA5String.aper_decoder;
+	td->aper_encoder   = asn_DEF_IA5String.aper_encoder;
+	if(!td->per_constraints)
+		td->per_constraints = asn_DEF_IA5String.per_constraints;
+	td->elements       = asn_DEF_IA5String.elements;
+	td->elements_count = asn_DEF_IA5String.elements_count;
+	td->specifics      = asn_DEF_IA5String.specifics;
+}
+
+void
+ErrorString_free(asn_TYPE_descriptor_t *td,
+		void *struct_ptr, int contents_only) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	td->free_struct(td, struct_ptr, contents_only);
+}
+
+int
+ErrorString_print(asn_TYPE_descriptor_t *td, const void *struct_ptr,
+		int ilevel, asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	return td->print_struct(td, struct_ptr, ilevel, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorString_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const void *bufptr, size_t size, int tag_mode) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	return td->ber_decoder(opt_codec_ctx, td, structure, bufptr, size, tag_mode);
+}
+
+asn_enc_rval_t
+ErrorString_encode_der(asn_TYPE_descriptor_t *td,
+		void *structure, int tag_mode, ber_tlv_tag_t tag,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	return td->der_encoder(td, structure, tag_mode, tag, cb, app_key);
+}
+
+asn_dec_rval_t
+ErrorString_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
+		void **structure, const char *opt_mname, const void *bufptr, size_t size) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	return td->xer_decoder(opt_codec_ctx, td, structure, opt_mname, bufptr, size);
+}
+
+asn_enc_rval_t
+ErrorString_encode_xer(asn_TYPE_descriptor_t *td, void *structure,
+		int ilevel, enum xer_encoder_flags_e flags,
+		asn_app_consume_bytes_f *cb, void *app_key) {
+	ErrorString_1_inherit_TYPE_descriptor(td);
+	return td->xer_encoder(td, structure, ilevel, flags, cb, app_key);
+}
+
+static const ber_tlv_tag_t asn_DEF_ErrorString_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (22 << 2))
+};
+asn_TYPE_descriptor_t asn_DEF_ErrorString = {
+	"ErrorString",
+	"ErrorString",
+	ErrorString_free,
+	ErrorString_print,
+	ErrorString_constraint,
+	ErrorString_decode_ber,
+	ErrorString_encode_der,
+	ErrorString_decode_xer,
+	ErrorString_encode_xer,
+	0, 0,	/* No UPER support, use "-gen-PER" to enable */
+	0, 0,	/* No APER support, use "-gen-PER" to enable */
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_ErrorString_tags_1,
+	sizeof(asn_DEF_ErrorString_tags_1)
+		/sizeof(asn_DEF_ErrorString_tags_1[0]), /* 1 */
+	asn_DEF_ErrorString_tags_1,	/* Same as above */
+	sizeof(asn_DEF_ErrorString_tags_1)
+		/sizeof(asn_DEF_ErrorString_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	0, 0,	/* No members */
+	0	/* No specifics */
+};
+
diff --git a/src/rspro/Makefile.am b/src/rspro/Makefile.am
index 4744886..4d3f18a 100644
--- a/src/rspro/Makefile.am
+++ b/src/rspro/Makefile.am
@@ -17,6 +17,10 @@
 	ConnectClientRes.c \
 	CreateMappingReq.c \
 	CreateMappingRes.c \
+	ErrorCode.c \
+	ErrorInd.c \
+	ErrorSeverity.c \
+	ErrorString.c \
 	IpAddress.c \
 	IpPort.c \
 	Ipv4Address.c \
@@ -56,6 +60,10 @@
 	ConnectClientRes.h \
 	CreateMappingReq.h \
 	CreateMappingRes.h \
+	ErrorCode.h \
+	ErrorInd.h \
+	ErrorSeverity.h \
+	ErrorString.h \
 	IpAddress.h \
 	IpPort.h \
 	Ipv4Address.h \
diff --git a/src/rspro/RsproPDUchoice.c b/src/rspro/RsproPDUchoice.c
index 330821f..e842876 100644
--- a/src/rspro/RsproPDUchoice.c
+++ b/src/rspro/RsproPDUchoice.c
@@ -97,6 +97,15 @@
 		0,
 		"configClientRes"
 		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RsproPDUchoice, choice.errorInd),
+		(ASN_TAG_CLASS_CONTEXT | (16 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_ErrorInd,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* PER is not compiled, use -gen-PER */
+		0,
+		"errorInd"
+		},
 	{ ATF_NOFLAGS, 0, offsetof(struct RsproPDUchoice, choice.setAtrReq),
 		(ASN_TAG_CLASS_CONTEXT | (10 << 2)),
 		-1,	/* IMPLICIT tag at current level */
@@ -163,12 +172,13 @@
     { (ASN_TAG_CLASS_CONTEXT | (7 << 2)), 7, 0, 0 }, /* removeMappingRes */
     { (ASN_TAG_CLASS_CONTEXT | (8 << 2)), 8, 0, 0 }, /* configClientReq */
     { (ASN_TAG_CLASS_CONTEXT | (9 << 2)), 9, 0, 0 }, /* configClientRes */
-    { (ASN_TAG_CLASS_CONTEXT | (10 << 2)), 10, 0, 0 }, /* setAtrReq */
-    { (ASN_TAG_CLASS_CONTEXT | (11 << 2)), 11, 0, 0 }, /* setAtrRes */
-    { (ASN_TAG_CLASS_CONTEXT | (12 << 2)), 12, 0, 0 }, /* tpduModemToCard */
-    { (ASN_TAG_CLASS_CONTEXT | (13 << 2)), 13, 0, 0 }, /* tpduCardToModem */
-    { (ASN_TAG_CLASS_CONTEXT | (14 << 2)), 14, 0, 0 }, /* clientSlotStatusInd */
-    { (ASN_TAG_CLASS_CONTEXT | (15 << 2)), 15, 0, 0 } /* bankSlotStatusInd */
+    { (ASN_TAG_CLASS_CONTEXT | (10 << 2)), 11, 0, 0 }, /* setAtrReq */
+    { (ASN_TAG_CLASS_CONTEXT | (11 << 2)), 12, 0, 0 }, /* setAtrRes */
+    { (ASN_TAG_CLASS_CONTEXT | (12 << 2)), 13, 0, 0 }, /* tpduModemToCard */
+    { (ASN_TAG_CLASS_CONTEXT | (13 << 2)), 14, 0, 0 }, /* tpduCardToModem */
+    { (ASN_TAG_CLASS_CONTEXT | (14 << 2)), 15, 0, 0 }, /* clientSlotStatusInd */
+    { (ASN_TAG_CLASS_CONTEXT | (15 << 2)), 16, 0, 0 }, /* bankSlotStatusInd */
+    { (ASN_TAG_CLASS_CONTEXT | (16 << 2)), 10, 0, 0 } /* errorInd */
 };
 static asn_CHOICE_specifics_t asn_SPC_RsproPDUchoice_specs_1 = {
 	sizeof(struct RsproPDUchoice),
@@ -176,9 +186,9 @@
 	offsetof(struct RsproPDUchoice, present),
 	sizeof(((struct RsproPDUchoice *)0)->present),
 	asn_MAP_RsproPDUchoice_tag2el_1,
-	16,	/* Count of tags in the map */
+	17,	/* Count of tags in the map */
 	0,
-	16	/* Extensions start */
+	17	/* Extensions start */
 };
 asn_TYPE_descriptor_t asn_DEF_RsproPDUchoice = {
 	"RsproPDUchoice",
@@ -199,7 +209,7 @@
 	0,	/* No tags (count) */
 	0,	/* No PER visible constraints */
 	asn_MBR_RsproPDUchoice_1,
-	16,	/* Elements count */
+	17,	/* Elements count */
 	&asn_SPC_RsproPDUchoice_specs_1	/* Additional specs */
 };