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`='8d7064a28ca14c10595e18e0f93d0425',`time`=1711689061,`ip`=X'2cdedc65',`location`='/showthread.php?mode=linear&tid=275&pid=1716',`useragent`='claudebot',`location1`=8,`location2`=275,`nopermission`=0