Fatal error: Uncaught Error: Class "WP_HTML_Tag_Processor" not found in /var/www/andovercg/staging/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:18
Stack trace:
#0 {main}
thrown in /var/www/andovercg/staging/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php on line 18