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`='79c2b536afe77e2070af8427fdcb0df8',`time`=1711718782,`ip`=X'12cf62f9',`location`='/showthread.php?tid=270&pid=703',`useragent`='claudebot',`location1`=8,`location2`=270,`nopermission`=0