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`='b1861692a58994fb19b7329561a3e061',`time`=1711672656,`ip`=X'36980549',`location`='/ratethread.php?tid=8&rating=4&my_post_key=b837ce23261ba976d916a446d22237a6',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0