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`='b628df644e1ad417686b1d294ecc9af0',`time`=1711700602,`ip`=X'03eaf66d',`location`='/showthread.php?tid=260&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=260,`nopermission`=0