Fatal error: Uncaught Error: Call to undefined function plugin_dir_path() in /home/adaptyo3/public_html/wp-content/plugins/simple-taxonomy-ordering/yikes-custom-taxonomy-order.php:73 Stack trace: #0 /home/adaptyo3/public_html/wp-content/plugins/simple-taxonomy-ordering/yikes-custom-taxonomy-order.php(53): Yikes_Custom_Taxonomy_Order->define_constants() #1 /home/adaptyo3/public_html/wp-content/plugins/simple-taxonomy-ordering/yikes-custom-taxonomy-order.php(39): Yikes_Custom_Taxonomy_Order->__construct() #2 /home/adaptyo3/public_html/wp-content/plugins/simple-taxonomy-ordering/yikes-custom-taxonomy-order.php(296): Yikes_Custom_Taxonomy_Order::get_instance() #3 {main} thrown in /home/adaptyo3/public_html/wp-content/plugins/simple-taxonomy-ordering/yikes-custom-taxonomy-order.php on line 73