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`='928ba36de080878394713e522051ff08',`time`=1711715897,`ip`=X'2cc8201f',`location`='/showthread.php?mode=linear&tid=297&pid=2703',`useragent`='claudebot',`location1`=8,`location2`=297,`nopermission`=0