Fatal error: Uncaught ArithmeticError: Bit shift by negative number in C:\xampp\htdocs\configurador\Classes\tcpdf_1\pdf417.php:747 Stack trace: #0 C:\xampp\htdocs\configurador\Classes\tcpdf_1\pdf417.php(589): PDF417->getErrorCorrectionLevel(-1, 9) #1 C:\xampp\htdocs\configurador\Classes\tcpdf_1\2dbarcodes.php(272): PDF417->__construct('www.tcpdf.org', -1, 2, Array) #2 C:\xampp\htdocs\configurador\Classes\tcpdf_1\2dbarcodes.php(69): TCPDF2DBarcode->setBarcode('www.tcpdf.org', 'PDF417') #3 C:\xampp\htdocs\configurador\Classes\tcpdf_1\tcpdf.php(20191): TCPDF2DBarcode->__construct('www.tcpdf.org', 'PDF417') #4 C:\xampp\htdocs\configurador\Classes\tcpdf_1\examples\example_050.php(168): TCPDF->write2DBarcode('www.tcpdf.org', 'PDF417', 80, 90, 0, 30, Array, 'N') #5 {main} thrown in C:\xampp\htdocs\configurador\Classes\tcpdf_1\pdf417.php on line 747