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`='8d46445e7d28e1c0be35ee2a719a9683',`time`=1711716476,`ip`=X'6b147be3',`location`='/showthread.php?tid=396',`useragent`='claudebot',`location1`=19,`location2`=396,`nopermission`=0