make sur to not cause badrecord exception on returnResult with asn1_NOVALUE
diff --git a/src/mangle_tt_sri_sm.erl b/src/mangle_tt_sri_sm.erl
index a38cc22..33e452c 100644
--- a/src/mangle_tt_sri_sm.erl
+++ b/src/mangle_tt_sri_sm.erl
@@ -137,6 +137,9 @@
{returnResult, Res#'MapSpecificPDUs_begin_components_SEQOF_basicROS_returnResult_result'.opcode};
get_tcap_operation(#'MapSpecificPDUs_continue_components_SEQOF_basicROS_returnResult'{result=Res}) ->
{returnResult, Res#'MapSpecificPDUs_continue_components_SEQOF_basicROS_returnResult_result'.opcode};
+get_tcap_operation(#'MapSpecificPDUs_end_components_SEQOF_basicROS_returnResult'{result=asn1_NOVALUE}) ->
+ % FIXME: check for asn1_NOVALUE in other cases
+ {returnResult, undefined};
get_tcap_operation(#'MapSpecificPDUs_end_components_SEQOF_basicROS_returnResult'{result=Res}) ->
{returnResult, Res#'MapSpecificPDUs_end_components_SEQOF_basicROS_returnResult_result'.opcode};
get_tcap_operation(#'MapSpecificPDUs_begin_components_SEQOF_returnResultNotLast'{result=Res}) ->