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`='1679a4ecda51e8087c24a6ec3f6ac1f8',`time`=1711701855,`ip`=X'12e87141',`location`='/showthread.php?tid=287',`useragent`='claudebot',`location1`=8,`location2`=287,`nopermission`=0