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`='d0034db20e985fd6c4ce905da8c9b570',`time`=1711715591,`ip`=X'03eb915f',`location`='/showthread.php?tid=277&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=277,`nopermission`=0