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`='d874083f5b94580a11edd43a85aa2b5e',`time`=1711653817,`ip`=X'2cd54b4e',`location`='/showthread.php?tid=332&pid=947',`useragent`='claudebot',`location1`=8,`location2`=332,`nopermission`=0