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`='58915a632b244fad5066e2c767450568',`time`=1711704512,`ip`=X'0355d7a4',`location`='/ratethread.php?tid=68&rating=3&my_post_key=c985f111562199ed5a6065fe88681e3d',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0