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`='bf697011ca5b6f9161f6fdb490223fd7',`time`=1711664730,`ip`=X'641a8cb3',`location`='/showthread.php?tid=247&page=2',`useragent`='claudebot',`location1`=8,`location2`=247,`nopermission`=0