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`='8fa2c9a4a8546d4aa472738e5307640b',`time`=1711675755,`ip`=X'03ecdb9d',`location`='/showthread.php?tid=234&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=234,`nopermission`=0