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`='bd4a7105daef423b34aa0b8bfbe82399',`time`=1711720472,`ip`=X'035c54c4',`location`='/newreply.php?tid=285&replyto=1762',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0