The search index could not be updated. The site is misconfigured. Contact an administrator. SQLSTATE[42000]: Syntax error or access violation: 1064 unknown table 'tiki_main_67e2559f7089d' in delete request
My guess is there is some sort of permissions issue going on, either object or category. Are you trying to do this as admin, or some other non-admin user?
Can't say that I've actually ever tried to the use the batch feature so perhaps I should try! 😉
