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`='bae6632a48cc896fa1d5d9d80c771078',`time`=1711704393,`ip`=X'2cd2ec00',`location`='/showthread.php?tid=352&action=newpost',`useragent`='claudebot',`location1`=9,`location2`=352,`nopermission`=0