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`='177575feb6619b71671b46434426250a',`time`=1711645581,`ip`=X'23ade9b0',`location`='/showthread.php?mode=linear&tid=270&pid=1691',`useragent`='claudebot',`location1`=8,`location2`=270,`nopermission`=0