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`='efcf269dba3a1308c2181a7277225e47',`time`=1711652747,`ip`=X'36e07cd9',`location`='/showthread.php?tid=322&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=322,`nopermission`=0