Fatal error: Uncaught Error: Class 'FPDF' not found in /home/regeneremoda/public_html/wp-content/plugins/yith-woocommerce-gift-cards-premium/lib/vendor/setasign/fpdi/src/FpdfTpl.php:19 Stack trace: #0 {main} thrown in /home/regeneremoda/public_html/wp-content/plugins/yith-woocommerce-gift-cards-premium/lib/vendor/setasign/fpdi/src/FpdfTpl.php on line 19