Filter built on related record tags does not locate existing recordDescriptionFilter built on related record tags does not locate existing recordSteps to Reproduce Navigate to Incident > All. Open any record. In Assignment group, specify CAB Approval. Click Update. Navigate to System Security > Users and Groups > Groups. In the Name column, click CAB Approval. Click the Edit Tags icon (in the header). Create a new tag named atest and press enter or return on your keyboard. On the Edge (on the left) click Tagged Documents. Verify that the atest tag is listed. Click the atest tag and check that CAB Approval is displayed. Navigate to Incident > All. Click the Filter icon . In Choose field, scroll to the bottom of the list, and click Show Related Fields. Click Assignment group > Group fields. Click the arrows next to Assignment group > Group fields and select Tags.The field should now display Assignment group.Tags. In Select Label, specify atest. Click Run.Note that the query does not return any records, even though a match exists. The query should return the incident with the tagged group. WorkaroundThis issue is under review. If you are able to upgrade, check the Fixed In field below to determine the versions that have a permanent fix. You can also subscribe to this known error article (click Subscribe button at the top of the article) to receive notifications when more information is available about this issue.Related Problem: PRB634419