Fatal error: Uncaught setasign\Fpdi\PdfParser\CrossReference\CrossReferenceException: This PDF document probably uses a compression technique which is not supported by the free parser shipped with FPDI. (See https://www.setasign.com/fpdi-pdf-parser for more details) in /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/CrossReference/CrossReference.php:257 Stack trace: #0 /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/CrossReference/CrossReference.php(209): setasign\Fpdi\PdfParser\CrossReference\CrossReference->initReaderInstance() #1 /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/CrossReference/CrossReference.php(67): setasign\Fpdi\PdfParser\CrossReference\CrossReference->readXref() #2 /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(157): setasign\Fpdi\PdfParser\CrossReference\CrossReference->__construct() #3 /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/PdfParser.php(205): setasign\Fpdi\PdfParser\PdfParser->getCrossReference() #4 / in /var/www/www.unms.sk/public/vendor/setasign/fpdi/src/PdfParser/CrossReference/CrossReference.php on line 257