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`='fd7d59aa70c72d3eea185ebad85b09bc',`time`='1736381533',`ip`='18.220.85.96',`location`='/showthread.php?pid=59791&tid=1097',`useragent`='Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c',`location1`='105',`location2`='1097',`nopermission`='0'