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`='9b3cb0d879d4ca623c6b08b30fc48902',`time`=1711641796,`ip`=X'36add64f',`location`='/showthread.php?mode=threaded&tid=307&pid=2713',`useragent`='claudebot',`location1`=8,`location2`=307,`nopermission`=0