Error: Rule entry under cmdb_ci_network_topology identifier using non-existant table

[Russell Abbott]

I'm getting this error when I go to CI Identifiers. I tried disabling the 'Network Topology rule' which is the only IRE rule applying to that table, but I still get this error.

Does anyone know what it might mean and where I can further troubleshoot?

[Morgan2]

We're getting this too. Noticed a related entry created by admin 3 months ago for us. I've looked and can't find anything about it. I might try inactivating the related entry, also might create a case and have ServiceNow explain themselves since they created it.

*Update, I've opened a case. Will let you know what they say.

[Morgan2 · Accepted solution]

From the case:

Most Probable Cause:
This is a known issue from PRB1707022.

Solution Proposed:
There is a missing dependency requirement for plugin "CMDB CI Class Models 1.52" to plugin "Network Inventory Core Version1.4.2"
CMDB CI Class Models 1.52 Adds table cmdb_ci_network_topology with invalid identifier to tni_entity

From the PRB, you can attempt the following workaround:
To fix it in any instance that already has the problem, please go to the cmdb_related_entry table and delete the record with the sys_id 73b8c48e8d707110f8778302d753bcd2, which is the one presenting the issue for network topology.

This seemed to have fixed it for us. Hope it helps others.

[jeffreyluto]

Rule entry under cmdb_ci_network_topology identifier using non-existent table is ignored during identification!
error when browsing Servicenow also. I created a ticket with SNow in case there is another solution that does not involde deleting something.

[Russell Abbott]

You can export that record, then delete, if resolution to the issue is timely for you. Putting it back at a later date if necessary.