“[MissingWebPart] WebPart class [baf5274e-a800-8dc3-96d0-0003d9405663] is referenced [23] times in the database [SharePoint_AdminContent_XXXXX], but is not installed on the current farm. Please install any feature/solution which contains this web part. One or more web parts are referenced in the database”

Another IDs in the error message:

8d6034c4-a416-e535-281a-6b714894e1aa

9f56656f-6aa3-0d55-a812-711bf65864ea

874f5460-71f9-fecc-e894-e7e858d9713e