Fatal error: Uncaught Error: Class "pdf_parser" not found in /var/www/zeiss.org/api/shared/libs/mpdf60/mpdfi/fpdi_pdf_parser.php:21 Stack trace: #0 {main} thrown in /var/www/zeiss.org/api/shared/libs/mpdf60/mpdfi/fpdi_pdf_parser.php on line 21