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_67970848c9392' in delete request
Got a similar problem,
after updating from 1.7 to 1.8.3, on a sourceforge hosted web site, when deleting an image it issues a page not found error even if it successfully remove the selected image
