Error "Rule entry under cmdb_ci_network_topology identifier using non-existent table is ignored during identification!" - Known Error

Error "Rule entry under cmdb_ci_network_topology identifier using non-existent table is ignored during identification!" Description On list view of CMDB Identifiers(cmdb_identifier_list.do) you may see sample error/s below:

"Rule entry under cmdb_ci_network_topology identifier using non-existent table is ignored during identification!"

"Rule entry under cmdb_ci_power_eq identifier using non-existent table is ignored during identification!"

"Rule entry under cmdb_ci_network_function_instance identifier using non-existent table is ignored during identification!"

The error/s may shows in form view of any record as well if the record has a CMDB reference field.

Steps to Reproduce

Steps to reproduce: 1 Update to CMDB CI Class Models 1.52 2 Navigate to CI Identifiers list(cmdb_identifier_list.do) 3 At the top of the list you will see the error message as described above. 4.Open Identifier Related Entries for table cmdb_ci_network_topology the records references a related table "tni_entity" which does not exists:

https://instance_name.service-now.com/cmdb_related_entry_list.do?sysparm_query=table%3Dtni_entity&sysparm_view=

NOTE the issue only exists if the instance does not have Telecommunications Network Inventory application. If you do have the app installed it is a different issue.

Workaround To fix in any instance that already has the problem, please delete records in cmdb_related_entry table where related table = tni_entity:

https://instance_name.service-now.com/cmdb_related_entry_list.do?sysparm_query=table%3Dtni_entity&sysparm_view=

Subsequent installation of higher version (1.53 and above) of CMDB CI Class Models where the defect is fixed will not remove the above records and will not resolve the issue. The records needs to be manually deleted.