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`='d42d4c9a4f9ffcce765042c55d23f155',`time`=1711675882,`ip`=X'035083a4',`location`='/showthread.php?tid=402&action=newpost',`useragent`='claudebot',`location1`=6,`location2`=402,`nopermission`=0