Fatal error: Uncaught exception 'setasign\Fpdi\PdfParser\PdfParserException' with message 'Unable to find PDF file header.' in /home/pentagongroupco/public_html/fpdi2/src/PdfParser/PdfParser.php:130
Stack trace:
#0 /home/pentagongroupco/public_html/fpdi2/src/PdfParser/PdfParser.php(169): setasign\Fpdi\PdfParser\PdfParser->resolveFileHeader()
#1 /home/pentagongroupco/public_html/fpdi2/src/PdfReader/PdfReader.php(82): setasign\Fpdi\PdfParser\PdfParser->getPdfVersion()
#2 /home/pentagongroupco/public_html/fpdi2/src/FpdiTrait.php(182): setasign\Fpdi\PdfReader\PdfReader->getPdfVersion()
#3 /home/pentagongroupco/public_html/pdf-brochure.php(25): setasign\Fpdi\Fpdi->setSourceFile('pdf/brochures-c...')
#4 /home/pentagongroupco/public_html/pdf-brochure.php(84): ConcatPdf->concat()
#5 {main}
thrown in /home/pentagongroupco/public_html/fpdi2/src/PdfParser/PdfParser.php on line 130