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`='09ffb781a68d98cad2aff9b891e3251a',`time`=1711699223,`ip`=X'3457c870',`location`='/showthread.php?tid=322&pid=937',`useragent`='claudebot',`location1`=8,`location2`=322,`nopermission`=0