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`='4fd45b57193590a93bac1738210af3dc',`time`=1711648387,`ip`=X'2cde6831',`location`='/showthread.php?mode=threaded&tid=411&pid=2808',`useragent`='claudebot',`location1`=20,`location2`=411,`nopermission`=0