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`='6ec777aca027644f00158f346212f244',`time`=1711660211,`ip`=X'2cc32fe3',`location`='/showthread.php?tid=6737',`useragent`='claudebot',`location1`=5,`location2`=6737,`nopermission`=0