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`='fa6d59e9cce8c443e5a62973efad29e1',`time`=1711721318,`ip`=X'2cdf2a78',`location`='/portal.php?page=4',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0