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`='52be26e5ee7d511f9c7f32bc5138fa73',`time`=1711675690,`ip`=X'03eee4bf',`location`='/showthread.php?tid=360',`useragent`='claudebot',`location1`=20,`location2`=360,`nopermission`=0