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`='d7cd8c15de8ccd0092b3734b171b3178',`time`=1711726553,`ip`=X'3693115f',`location`='/showthread.php?tid=403&pid=2801',`useragent`='claudebot',`location1`=8,`location2`=403,`nopermission`=0