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`='bc4fdbc511244d702c087147d180db83',`time`=1711624440,`ip`=X'12d0ac03',`location`='/showthread.php?mode=threaded&tid=260&pid=500',`useragent`='claudebot',`location1`=8,`location2`=260,`nopermission`=0