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`='219f738625cff04b6927b062907024a5',`time`=1711631591,`ip`=X'03ee3909',`location`='/showthread.php?tid=71&action=newpost',`useragent`='claudebot',`location1`=29,`location2`=71,`nopermission`=0