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`='ba6b1177f43326c0bf202dc091b1773a',`time`=1711659785,`ip`=X'03ed4166',`location`='/showthread.php?tid=570',`useragent`='claudebot',`location1`=17,`location2`=570,`nopermission`=0