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`='856fdede31cfb104624dec08c2272093',`time`=1711623391,`ip`=X'03ee4fa9',`location`='/showthread.php?mode=threaded&tid=317&pid=750',`useragent`='claudebot',`location1`=8,`location2`=317,`nopermission`=0