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`='a3710641a30986dffad142d9a376ec75',`time`=1711668611,`ip`=X'34366fe4',`location`='/showthread.php?tid=238&pid=1419',`useragent`='claudebot',`location1`=9,`location2`=238,`nopermission`=0