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`='cb2ee647fd5d01bb879cb0017f59eab2',`time`=1711723653,`ip`=X'12e87141',`location`='/showthread.php?mode=linear&tid=337&pid=577',`useragent`='claudebot',`location1`=8,`location2`=337,`nopermission`=0