Warning: require_once(classes/user.php): failed to open stream: No such file or directory in /home/r0022842/public_html/index.php on line 7

Fatal error: require_once(): Failed opening required 'classes/user.php' (include_path='.:/opt/alt/php72/usr/share/pear') in /home/r0022842/public_html/index.php on line 7