A.5 Causes related to invalid messages
24.3013GPPNon-Access-Stratum (NAS) protocol for Evolved Packet System (EPS)Release 18Stage 3TS
Cause value #95 – Semantically incorrect message.
See 3GPP TS 24.008 [13], annex H, clause H.5.5.
Cause value #96 – Invalid mandatory information.
See 3GPP TS 24.008 [13], annex H, clause H.6.1.
Cause value #97 – Message type non-existent or not implemented.
See 3GPP TS 24.008 [13], annex H, clause H.6.2.
Cause value #98 – Message type not compatible with protocol state.
See 3GPP TS 24.008 [13], annex H, clause H.6.3.
Cause value #99 – Information element non-existent or not implemented.
See 3GPP TS 24.008 [13], annex H, clause H.6.4.
Cause value #100 – Conditional IE error.
See 3GPP TS 24.008 [13], annex H, clause H.6.5.
Cause value #101 – Message not compatible with protocol state.
See 3GPP TS 24.008 [13], annex H, clause H.6.6.
Cause value #111 – Protocol error, unspecified.
See 3GPP TS 24.008 [13], annex H, clause H.6.8.
Annex B (informative):
Cause values for EPS session management