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`='d173705fb95ca4211847dfa90ac94807',`time`=1711644558,`ip`=X'2cc81785',`location`='/showthread.php?mode=linear&tid=469&pid=2813',`useragent`='claudebot',`location1`=7,`location2`=469,`nopermission`=0