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`='22dbb3c98fdf3b7c892e8cd09851cf4c',`time`=1711721856,`ip`=X'2cd54161',`location`='/ratethread.php?tid=27&rating=3&my_post_key=749711ece95d7bcfc899b01888a32a41',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0