Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /var/www/html/escosoft/_lib/libraries/sys/tcpdf/include/barcodes/pdf417.php:747 Stack trace: #0 /var/www/html/escosoft/_lib/libraries/sys/tcpdf/include/barcodes/pdf417.php(589): PDF417->getErrorCorrectionLevel() #1 /var/www/html/escosoft/_lib/libraries/sys/tcpdf/tcpdf_barcodes_2d.php(289): PDF417->__construct() #2 /var/www/html/escosoft/_lib/libraries/sys/tcpdf/tcpdf_barcodes_2d.php(69): TCPDF2DBarcode->setBarcode() #3 /var/www/html/escosoft/_lib/libraries/sys/tcpdf/examples/barcodes/example_2d_pdf417_svgi.php(46): TCPDF2DBarcode->__construct() #4 {main} thrown in /var/www/html/escosoft/_lib/libraries/sys/tcpdf/include/barcodes/pdf417.php on line 747