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`='ffa93d1d8a41e9d054dc40a3f08f8883',`time`=1711647668,`ip`=X'345ad38d',`location`='/showthread.php?tid=229&action=lastpost',`useragent`='claudebot',`location1`=9,`location2`=229,`nopermission`=0