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`='d31be57b2069cad715f40e487086155e',`time`=1711688921,`ip`=X'2cdee10c',`location`='/ratethread.php?tid=254&rating=4&my_post_key=1ca52116b2c54b6634031c2571e311ef',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0