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`='cb6d38a967ac2b314f81ec3edc7573a7',`time`=1711706922,`ip`=X'035c54fd',`location`='/showthread.php?tid=270&pid=1687',`useragent`='claudebot',`location1`=8,`location2`=270,`nopermission`=0