Deprecated: Sabberworm\CSS\CSSList\Document::render(): Implicitly marking parameter $oOutputFormat as nullable is deprecated, the explicit nullable type must be used instead in /home/handioas/www/wp-content/plugins/mphb-invoices/vendors/dompdf/lib/php-css-parser/src/CSSList/Document.php on line 157

Fatal error: Uncaught Error: Class "Sabberworm\CSS\CSSList\CSSBlockList" not found in /home/handioas/www/wp-content/plugins/mphb-invoices/vendors/dompdf/lib/php-css-parser/src/CSSList/Document.php:17 Stack trace: #0 {main} thrown in /home/handioas/www/wp-content/plugins/mphb-invoices/vendors/dompdf/lib/php-css-parser/src/CSSList/Document.php on line 17