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`='9c037561068a553afc6ba090d3b2cd79',`time`=1711627562,`ip`=X'03ed2e78',`location`='/member.php?action=profile&uid=30',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0