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`='4e0bf2dd6273d763aae53c5de236dcf0',`time`=1711646491,`ip`=X'03ec3789',`location`='/member.php?action=profile&uid=451',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0