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`='0bf7269764517a6b9aa0035f0d5edd1a',`time`=1711704848,`ip`=X'03e57b50',`location`='/ratethread.php?tid=304&rating=4&my_post_key=952ebebb25c08dbd68807ff7e7d166b1',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0