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`='2ce7f4737ec3480af771d5519c6cb563',`time`=1711699505,`ip`=X'36931e7f',`location`='/ratethread.php?tid=310&rating=3&my_post_key=123b4a2e0663212513681c40cc2ebd22',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0