PHP %version has <a href=":bug_url">an OPcache bug that can cause fatal errors with class autoloading</a>. This can be fixed by upgrading to PHP 8.1.6 or later. See <a href="http://php.net/supported-versions.php">PHP's version support documentation</a> and the <a href=":php_requirements">Drupal PHP requirements</a> page for more information.