Fatal error: Uncaught setasign\Fpdi\PdfParser\PdfParserException: Unable to find PDF file header. in /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/PdfParser/PdfParser.php:131 Stack trace: #0 /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(172): setasign\Fpdi\PdfParser\PdfParser->resolveFileHeader() #1 /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/PdfReader/PdfReader.php(84): setasign\Fpdi\PdfParser\PdfParser->getPdfVersion() #2 /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/FpdiTrait.php(237): setasign\Fpdi\PdfReader\PdfReader->getPdfVersion() #3 /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/FpdiTrait.php(216): Mpdf\Mpdf->setSourceFileWithParserParams() #4 /home/sortimo.dx.3az.de/public_html/pdfcreate.php(22): Mpdf\Mpdf->setSourceFile() #5 /home/sortimo.dx.3az.de/public_html/index.php(428): include('...') #6 {main} thrown in /home/sortimo.dx.3az.de/public_html/vendor/setasign/fpdi/src/PdfParser/PdfParser.php on line 131