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`='6a6400507f5bf4a43b4f43d59559ff69',`time`=1711687574,`ip`=X'36931e7f',`location`='/showthread.php?tid=293&page=2',`useragent`='claudebot',`location1`=8,`location2`=293,`nopermission`=0