**** Php!

[galaxyAbstractor]

sry but I'm very mad now. There are problems occouring when I haven't done anything. It is my mediawiki again. It worked for 4 days without problems. Then suddenly I got an exec() prob because I have v2 php. Fixed that. It worked for 4 more days and now I am getting this error:

MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred
Query: SELECT value,exptime FROM `wiki_objectcache` WHERE keyname='viggeswe_wiki-wiki_:messages-hash'
Function: MediaWikiBagOStuff::_doquery
Error: 1033 Incorrect information in file: './viggeswe_wiki/wiki_objectcache.frm' (mysql.x10hosting.com)
' in /home/viggeswe/public_html/wiki/includes/Database.php:824
Stack trace:
#0 /home/viggeswe/public_html/wiki/includes/Database.php(779): Database->reportQueryError('Incorrect infor...', 1033, 'SELECT value,ex...', 'MediaWikiBagOSt...', false)
#1 /home/viggeswe/public_html/wiki/includes/BagOStuff.php(405): Database->query('SELECT value,ex...', 'MediaWikiBagOSt...')
#2 /home/viggeswe/public_html/wiki/includes/BagOStuff.php(300): MediaWikiBagOStuff->_doquery('SELECT value,ex...')
#3 /home/viggeswe/public_html/wiki/includes/BagOStuff.php(234): SqlBagOStuff->_query('SELECT value,ex...', 'viggeswe_wiki-w...')
#4 /home/viggeswe/public_html/wiki/includes/MessageCache.php(205): SqlBagOStuff->get('viggeswe_wiki-w...')
#5 /home/viggeswe/public_html/wiki/includes/MessageCache.php(441): MessageCache->load()
#6 /home/viggeswe/public_html/wiki/includes/GlobalFunctions.php(467): MessageCache->get('mainpage', true, true)
#7 /home/viggeswe/public_html/wiki/includes/GlobalFunctions.php(421): wfMsgGetKey('mainpage', true, true, true)
#8 /home/viggeswe/public_html/wiki/includes/GlobalFunctions.php(368): wfMsgReal('mainpage', Array, true, true)
#9 /home/viggeswe/public_html/wiki/includes/Title.php(268): wfMsgForContent()
#10 /home/viggeswe/public_html/wiki/includes/Wiki.php(92): Title::newMainPage('mainpage')
#11 /home/viggeswe/public_html/wiki/index.php(58): MediaWiki->checkInitialQueries()
#12 {main}

Exception caught inside exception handler: exception 'DBUnexpectedError' with message 'Error in fetchObject(): Incorrect information in file: './viggeswe_wiki/wiki_page.frm' (mysql.x10hosting.com)' in /home/viggeswe/public_html/wiki/includes/Database.php:953
Stack trace:
#0 /home/viggeswe/public_html/wiki/includes/MessageCache.php(314): Database->fetchObject(false)
#1 /home/viggeswe/public_html/wiki/includes/MessageCache.php(251): MessageCache->loadFromDB()
#2 /home/viggeswe/public_html/wiki/includes/MessageCache.php(441): MessageCache->load()
#3 /home/viggeswe/public_html/wiki/includes/GlobalFunctions.php(467): MessageCache->get('databaseerror', true, false)
#4 /home/viggeswe/public_html/wiki/includes/GlobalFunctions.php(421): wfMsgGetKey('databaseerror', true, false, true)
#5 /home/viggeswe/public_html/wiki/includes/Exception.php(23): wfMsgReal()
#6 /home/viggeswe/public_html/wiki/includes/Database.php(276): MWException->msg('databaseerror', Array)
#7 /home/viggeswe/public_html/wiki/includes/Exception.php(125): DBQueryError->getPageTitle('databaseerror', 'Database error')
#8 /home/viggeswe/public_html/wiki/includes/Exception.php(88): MWException->htmlHeader()
#9 /home/viggeswe/public_html/wiki/includes/Exception.php(111): MWException->reportHTML()
#10 /home/viggeswe/public_html/wiki/includes/Exception.php(191): MWException->report()
#11 /home/viggeswe/public_html/wiki/includes/Exception.php(225): wfReportException()
#12 [internal function]: wfExceptionHandler()
#13 {main}

Anyone know what causing it? The sql is fine because my forum still works.