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`='cf41da505404cca4a58a15316f7c1641',`time`=1711724138,`ip`=X'03ed1f83',`location`='/ratethread.php?tid=261&rating=4&my_post_key=d45a656fef7d23bb5f2fe2fabb44f3e8',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0