Fatal error: Uncaught Error: Class 'Yoast\WP\Lib\Model' not found in /home/safetyre/public_html/blog/wp-content/plugins/wordpress-seo-premium/src/models/seo-links.php:21 Stack trace: #0 {main} thrown in /home/safetyre/public_html/blog/wp-content/plugins/wordpress-seo-premium/src/models/seo-links.php on line 21