Fatal error: Uncaught setasign\Fpdi\PdfParser\PdfParserException: Unable to find PDF file header. in /storage/sradc/addons/pdf/vendor/setasign/fpdi/src/PdfParser/PdfParser.php:130 Stack trace: #0 /storage/sradc/addons/pdf/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(171): setasign\Fpdi\PdfParser\PdfParser->resolveFileHeader() #1 /storage/sradc/addons/pdf/vendor/setasign/fpdi/src/PdfReader/PdfReader.php(84): setasign\Fpdi\PdfParser\PdfParser->getPdfVersion() #2 /storage/sradc/addons/pdf/vendor/setasign/fpdi/src/FpdiTrait.php(217): setasign\Fpdi\PdfReader\PdfReader->getPdfVersion() #3 /storage/sradc/core/base/util/export.php(166): Mpdf\Mpdf->setSourceFile() #4 /storage/customer/webstore_preview.php(31): sradc\base\util\export->pdf() #5 {main} thrown in /storage/sradc/addons/pdf/vendor/setasign/fpdi/src/PdfParser/PdfParser.php on line 130