Fatal error: Uncaught Error: Class 'WP_List_Table' not found in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wp-post-to-pdf-enhanced-cache/includes/class-wp-list-table-compat.php:15 Stack trace: #0 {main} thrown in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wp-post-to-pdf-enhanced-cache/includes/class-wp-list-table-compat.php on line 15