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`='951343c888d554bf849a4edceb38a476',`time`=1711659449,`ip`=X'22ccb194',`location`='/newreply.php?tid=349&replyto=2751',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0