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`='12367c8026dbfee42751663ba24e1a30',`time`=1711671781,`ip`=X'36addd84',`location`='/showthread.php?tid=395',`useragent`='claudebot',`location1`=19,`location2`=395,`nopermission`=0