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
That's odd. If there is no way you can get it to stick you could try to hack the feature in the MySQL database. Look for the feature_forums record in your tiki_preferences table. Change the field value from n to y
