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`='3b187f446b5d4f13c1065031d8509524',`time`=1711632520,`ip`=X'12cea081',`location`='/showthread.php?mode=threaded&tid=247&pid=2111',`useragent`='claudebot',`location1`=8,`location2`=247,`nopermission`=0