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`='6568b9e16bfad349b24d159ad96d3b23',`time`=1711713865,`ip`=X'2cc8ed70',`location`='/showthread.php?tid=16&action=newpost',`useragent`='claudebot',`location1`=16,`location2`=16,`nopermission`=0