How to reset the last search result in the #object manager TCD PA30 or PPOME

The selection can be deleted per user via report RH_DELETE_USER_SETTINGS. Alternatively you can also prevent caching the selection in the first place wirh the user parameter OM_OBJM_NO_LAST_SEAR = X http://www.iprocon.de/how-to-reset-the-last-search-result-in-the-object-manager/?lang=en