Fatal error: Uncaught Error: Call to undefined function plugin_dir_path() in /home/kacperg/public_html/kacpergr/wp-content/plugins/fancybox-for-wordpress/fancybox.php:40 Stack trace: #0 {main} thrown in /home/kacperg/public_html/kacpergr/wp-content/plugins/fancybox-for-wordpress/fancybox.php on line 40