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`='ff33b82ee0e06bf128a87c433cb5f311',`time`=1711628663,`ip`=X'12e8bc7a',`location`='/member.php?action=profile&uid=500',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0