MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
126 - Incorrect key file for table './wforum/sessions.MYI'; try to repair it
Query:
REPLACE INTO sessions SET `uid`='0',`sid`='7e31428935185f43807183f93ce6ee4d',`time`='1736391239',`ip`='18.119.119.119',`location`='/newreply.php?pid=55417&tid=976',`useragent`='Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c',`location1`='0',`location2`='0',`nopermission`='0'