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`='f5d1ae697fd9f056a1a102b5412f815c',`time`=1711710193,`ip`=X'36cc8eeb',`location`='/showthread.php?tid=269&pid=1683',`useragent`='claudebot',`location1`=8,`location2`=269,`nopermission`=0