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`='b858bb25e3b37c51694d80709916ea53',`time`=1711640907,`ip`=X'36d27ee8',`location`='/ratethread.php?tid=397&rating=3&my_post_key=ecff985329e43218480c9370e4d8722f',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0