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_67a031366ffb8' in delete request
You need to go into the database and look at tiki_modules table. I use phpmyadmin as a web interface to the db. Either remove the offending row or change the parameter.
