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`='9b6c8464ec3ba9e7c43276a33c20b683',`time`=1711706795,`ip`=X'365aecb3',`location`='/private.php?action=send&uid=41',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0