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`='4547b6b56de4cd2086badc2636d38ce3',`time`=1711722676,`ip`=X'035bf99c',`location`='/showthread.php?tid=303&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=303,`nopermission`=0