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`='52d9a6be589fd8c667f391ac8b1b2b85',`time`=1711706008,`ip`=X'03ee0590',`location`='/newreply.php?tid=384&replyto=2782',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0