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`='a91b6889e2623a51c39fc0a3d9625859',`time`=1711667745,`ip`=X'03ecd67b',`location`='/search.php?action=finduser&uid=448',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0