Message: Unable to find PDF file header.
File   : /var/www/shop/vendor/setasign/fpdi/src/PdfParser/PdfParser.php
Line   : 131
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#0 /var/www/shop/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(172): setasign\Fpdi\PdfParser\PdfParser->resolveFileHeader()
#1 /var/www/shop/vendor/setasign/fpdi/src/PdfReader/PdfReader.php(85): setasign\Fpdi\PdfParser\PdfParser->getPdfVersion()
#2 /var/www/shop/vendor/setasign/fpdi/src/FpdiTrait.php(215): setasign\Fpdi\PdfReader\PdfReader->getPdfVersion()
#3 /var/www/shop/lib/System/Controller/Download.php(70): setasign\Fpdi\Fpdi->setSourceFile(Object(setasign\Fpdi\PdfParser\StreamReader))
#4 /var/www/shop/lib/System/MethodRouter.php(41): System\Controller\Download->System\Controller\{closure}(Array, Object(System\Container))
#5 /var/www/shop/lib/System/Controller/Download.php(161): System\MethodRouter->findRoute('freigabe/SUZUKI...')
#6 /var/www/shop/lib/System/Controller/Front.php(81): System\Controller\Download->run()
#7 /var/www/shop/htdocs/index.php(19): System\Controller\Front->run()
#8 {main}