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`='2709191a5e66c896758cbcc7c5cfd537',`time`=1711722356,`ip`=X'0354e78c',`location`='/misc.php?action=whoposted&tid=248',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0