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`='e8c34d8fb08810c98ae116c0e5d927af',`time`=1711678211,`ip`=X'345b4317',`location`='/memberlist.php?perpage=20&username_match=begins&username=V&sort=regdate&order=ascending',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0