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`='8c351bd3e1207dca4e0e964ac33a8889',`time`=1711672272,`ip`=X'0357d1a2',`location`='/showthread.php?tid=252&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=252,`nopermission`=0