Using the book icon to search knowledge articles on Incident form does not show any results.Issue Using the book icon to search knowledge articles on Incident form does not show any results.Cause"kb_find" UI Page and "kb_header_search" UI (User Interface) Macro were highly customized.ResolutionFound that the following two items have been highly customized on the instance: "kb_find" UI Page and "kb_header_search" UI Macro. Reverting those UI actions to the latest version which was created by the system during the upgrade fixed their issues. After that update, the book icon showed search results.