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`='a312833983df362d06f3153c8b42fd34',`time`=1711704133,`ip`=X'03edbd74',`location`='/showthread.php?tid=358&action=newpost',`useragent`='claudebot',`location1`=29,`location2`=358,`nopermission`=0