MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='0deb8a696c1aad8d21c4d6d934cc5804',`time`=1711625040,`ip`=X'23ab9f8d',`location`='/forumdisplay.php?fid=29&datecut=9999&prefix=0&sortby=lastpost&order=asc',`useragent`='claudebot',`location1`=29,`location2`=0,`nopermission`=0