Fatal error: Uncaught Error: Class 'Sabberworm\CSS\RuleSet\RuleSet' not found in /home/shineqat/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/sabberworm/php-css-parser/src/RuleSet/DeclarationBlock.php:26 Stack trace: #0 {main} thrown in /home/shineqat/public_html/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/sabberworm/php-css-parser/src/RuleSet/DeclarationBlock.php on line 26