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`='8b04b3b89838df2d7dd696eeb945ef72',`time`='1736378213',`ip`='3.12.150.240',`location`='/showthread.php?mode=linear&pid=28245&tid=985',`useragent`='Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c',`location1`='153',`location2`='985',`nopermission`='0'