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`='6f84273459c82603417e5acb96565113',`time`=1711676058,`ip`=X'2ccc41bd',`location`='/newreply.php?tid=292&replyto=1800',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0