Fatal error: Uncaught Error: Class 'WP_HTML_Tag_Processor' not found in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wp-post-to-pdf-enhanced-cache/html-api/class-wp-html-processor.php:143 Stack trace: #0 {main} thrown in /home/refref/public_html/wp-post-to-pdf-enhanced-cache-20250414195233/wp-post-to-pdf-enhanced-cache/html-api/class-wp-html-processor.php on line 143