diff --git a/src/amf/gmm-sm.c b/src/amf/gmm-sm.c
index 9ce0a8952..d94096af5 100644
--- a/src/amf/gmm-sm.c
+++ b/src/amf/gmm-sm.c
@@ -1716,6 +1716,39 @@ void gmm_state_authentication(ogs_fsm_t *s, amf_event_t *e)
             END
             break;
 
+        CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM)
+            if (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED &&
+                sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT &&
+                sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK) {
+                ogs_error("[%s] HTTP response error [%d]",
+                        amf_ue->supi, sbi_message->res_status);
+            }
+
+            SWITCH(sbi_message->h.resource.component[1])
+            CASE(OGS_SBI_RESOURCE_NAME_REGISTRATIONS)
+                SWITCH(sbi_message->h.method)
+                CASE(OGS_SBI_HTTP_METHOD_PUT)
+                    /*
+                     * Issue #2733
+                     *
+                     * We need to ignore this message in this state.
+                     */
+                    ogs_error("[%s] Ignore SBI message", amf_ue->supi);
+                    break;
+                DEFAULT
+                    ogs_error("[%s] Invalid HTTP method [%s]",
+                            amf_ue->suci, sbi_message->h.method);
+                    ogs_assert_if_reached();
+                END
+                break;
+
+            DEFAULT
+                ogs_error("Invalid resource name [%s]",
+                        sbi_message->h.resource.component[1]);
+                ogs_assert_if_reached();
+            END
+            break;
+
         DEFAULT
             ogs_error("Invalid service name [%s]", sbi_message->h.service.name);
             ogs_assert_if_reached();