Fatal error: Uncaught Error: Class "tFPDF" not found in E:\phpProject\TEST\vat_api_de_client\vendor\setasign\fpdi\src\Tfpdf\FpdfTpl.php:20 Stack trace: #0 {main} thrown in E:\phpProject\TEST\vat_api_de_client\vendor\setasign\fpdi\src\Tfpdf\FpdfTpl.php on line 20