Fatal error: Uncaught Error: Call to undefined method Sabberworm\CSS\CSSList\Document::splice() in /homepages/28/d484060172/htdocs/clickandbuilds/PrimmandPropper/wp-content/plugins/amp/includes/sanitizers/class-amp-style-sanitizer.php:1713 Stack trace: #0 /homepages/28/d484060172/htdocs/clickandbuilds/PrimmandPropper/wp-content/plugins/amp/includes/sanitizers/class-amp-style-sanitizer.php(1451): AMP_Style_Sanitizer->transform_important_qualifiers(Object(Sabberworm\CSS\RuleSet\DeclarationBlock), Object(Sabberworm\CSS\CSSList\Document)) #1 /homepages/28/d484060172/htdocs/clickandbuilds/PrimmandPropper/wp-content/plugins/amp/includes/sanitizers/class-amp-style-sanitizer.php(1252): AMP_Style_Sanitizer->process_css_declaration_block(Object(Sabberworm\CSS\RuleSet\DeclarationBlock), Object(Sabberworm\CSS\CSSList\Document), Array) #2 /homepages/28/d484060172/htdocs/clickandbuilds/PrimmandPropper/wp-content/plugins/amp/includes/sanitizers/class-amp-style-sanitizer.php(990): AMP_Style_Sanitizer->process_css_list(Object(Sabberworm\C in /homepages/28/d484060172/htdocs/clickandbuilds/PrimmandPropper/wp-content/plugins/amp/includes/sanitizers/class-amp-style-sanitizer.php on line 1713