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`='089091939d32e5d88ef3f8c2763d7228',`time`=1711721677,`ip`=X'2cd374a3',`location`='/showthread.php?tid=296&page=2',`useragent`='claudebot',`location1`=8,`location2`=296,`nopermission`=0