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`='f4d6dde4245181b2359459878c726179',`time`=1711644284,`ip`=X'12d1d11c',`location`='/ratethread.php?tid=27&rating=2&my_post_key=749711ece95d7bcfc899b01888a32a41',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0