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`='a1f5283eef308e46e74008822d9d26e3',`time`=1711692263,`ip`=X'36e04694',`location`='/showthread.php?tid=274&pid=1710',`useragent`='claudebot',`location1`=8,`location2`=274,`nopermission`=0