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`='68ac5e335ac2a82dd9171c7c6fa45ba3',`time`=1711705297,`ip`=X'36d28f77',`location`='/showthread.php?tid=288',`useragent`='claudebot',`location1`=8,`location2`=288,`nopermission`=0