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`='82f7efa26273d258cdfb289ef1f8fe89',`time`=1711663062,`ip`=X'0353512a',`location`='/newreply.php?tid=178&replyto=611',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0