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`='9792621e8c784aaac008e33dc5b68e82',`time`=1711648361,`ip`=X'12e9dfbd',`location`='/newreply.php?tid=327&replyto=942',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0