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`='7d3182ede2930b0ed7d99917fa7374a4',`time`=1711727739,`ip`=X'36ea7c46',`location`='/member.php?action=profile&uid=439',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0