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`='0cc3323a6af6404333e1db76384af935',`time`=1711689372,`ip`=X'36936e2f',`location`='/newreply.php?tid=366&replyto=2765',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0