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`='ebd572e50cb85f83395c1022f94ba9fe',`time`=1711621533,`ip`=X'2cc82861',`location`='/showthread.php?tid=404&action=newpost',`useragent`='claudebot',`location1`=6,`location2`=404,`nopermission`=0