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`='c0dfb746ca4666f69182febe8ebc00c4',`time`=1711702409,`ip`=X'03e7038c',`location`='/newreply.php?tid=223&replyto=3872',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0