Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/include/barcodes/pdf417.php:747 Stack trace: #0 /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/include/barcodes/pdf417.php(589): PDF417->getErrorCorrectionLevel(-1, 9) #1 /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/tcpdf_barcodes_2d.php(289): PDF417->__construct('www.tcpdf.org', -1, 2, Array) #2 /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/tcpdf_barcodes_2d.php(69): TCPDF2DBarcode->setBarcode('www.tcpdf.org', 'PDF417') #3 /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/tcpdf.php(15520): TCPDF2DBarcode->__construct('www.tcpdf.org', 'PDF417') #4 /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/examples/example_050.php(168): TCPDF->write2DBarcode('www.tcpdf.org', 'PDF417', 80, 90, 0, 30, Array, 'N') #5 {main} thrown in /home/milanodm/public_html/erp/vendor/tecnickcom/tcpdf/include/barcodes/pdf417.php on line 747