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`='faa776ac6fe35701a7e2d3e4283b7155',`time`=1711721961,`ip`=X'36937b9f',`location`='/ratethread.php?tid=242&rating=5&my_post_key=da585b9281f44dc6873c460add48c622',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0