Some Knowledge Articles are not showing up in the Service Portal search due to custom Child Table not being IndexedIssue When searching for specific Knowledge Articles (e.g. KB018393 or KB018201) in the /sp portal, no results are being returned. This issue is reproducible in both production and sub-production instances. The same search returns results in the /esc portal.SymptomsWhen searching for a particular record like KB018393 or KB018201 in the Employee Center Portal, no results are found but Records exist in the platform view.ReleaseAll ReleasesCauseThe KB record from the "Knowledge Information" table (u_kb_template_information) is not indexed as a child table of the "Knowledge Table" (kb_knowledge)ResolutionAdd u_kb_template_information as a child table to the "Knowledge Table" Indexed Source record Go to the 'Knowledge Table' Indexed Source record: https://[InstanceName].service-now.com/nav_to.do?uri=ais_datasource.do?sys_id=975c0985772300102d71af61681061912. Open the 'Child Tables' related list and click the 'New' button.3. Create an entry for u_kb_template_information (Custom Table Name)Related LinksCreate an indexed source