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`='0d54718d088b8fdcefa3a3f7b0a173fb',`time`=1711709899,`ip`=X'03ee40c9',`location`='/showthread.php?tid=300',`useragent`='claudebot',`location1`=8,`location2`=300,`nopermission`=0