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`='3e5111bb85cc1711bf19af4d7d805dfa',`time`=1711690804,`ip`=X'36c69aea',`location`='/memberlist.php?sort=referrals&order=descending&perpage=20&page=3',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0