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`='6e1134052d20f33f61ea31412cae6ed8',`time`=1711704795,`ip`=X'3658b30c',`location`='/ratethread.php?tid=267&rating=4&my_post_key=d8ece6e7b4a3d7bf7ce5a923b092ae95',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0