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`='f6c81a03e1f1d1215b22da41c36887d8',`time`=1711668548,`ip`=X'23ab16dc',`location`='/showthread.php?mode=threaded&tid=613&pid=6096',`useragent`='claudebot',`location1`=9,`location2`=613,`nopermission`=0