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`='5605299a5dd126c2f59c7972b5acea3f',`time`=1711718450,`ip`=X'2cdea136',`location`='/showthread.php?tid=454&pid=2558',`useragent`='claudebot',`location1`=20,`location2`=454,`nopermission`=0