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`='28f237711b2dd7d13adbc93cd47a08e2',`time`=1711647754,`ip`=X'23ab16dc',`location`='/showthread.php?tid=237&pid=670',`useragent`='claudebot',`location1`=9,`location2`=237,`nopermission`=0