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`='48ef96734d37d5e37bbf71559c535b34',`time`=1711664942,`ip`=X'12e9dfbd',`location`='/showthread.php?mode=linear&tid=317&pid=557',`useragent`='claudebot',`location1`=8,`location2`=317,`nopermission`=0