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`='d4fc5cb483aeb993640e20e53c26f2f7',`time`=1711649760,`ip`=X'2cc84d3b',`location`='/showthread.php?tid=402&action=lastpost',`useragent`='claudebot',`location1`=6,`location2`=402,`nopermission`=0