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
Tiki justs use the normal PHP mail command. So its down to your PHP.ini and server configuration. Some web servers do not have sendmail functionality and therefore tiki wont work there.
