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`='880f5c6ab89756b6921a014ac2693118',`time`=1711707862,`ip`=X'36ea921a',`location`='/showthread.php?tid=603&action=lastpost',`useragent`='claudebot',`location1`=5,`location2`=603,`nopermission`=0