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`='ba6fc4cbc0f2a91bcc41085dc411dbec',`time`=1711626778,`ip`=X'23ade9b0',`location`='/showthread.php?tid=463',`useragent`='claudebot',`location1`=28,`location2`=463,`nopermission`=0