Fatal error: Uncaught ArithmeticError: Bit shift by negative number in /var/www/sigicov_sign/shared/tcpdf_new/pdf417.php:758 Stack trace: #0 /var/www/sigicov_sign/shared/tcpdf_new/pdf417.php(600): PDF417->getErrorCorrectionLevel() #1 /var/www/sigicov_sign/shared/tcpdf_new/2dbarcodes.php(130): PDF417->__construct() #2 /var/www/sigicov_sign/shared/tcpdf_new/2dbarcodes.php(74): TCPDF2DBarcode->setBarcode() #3 /var/www/sigicov_sign/shared/tcpdf_new/tcpdf.php(15801): TCPDF2DBarcode->__construct() #4 /var/www/sigicov_sign/shared/tcpdf_new/examples/example_050.php(171): TCPDF->write2DBarcode() #5 {main} thrown in /var/www/sigicov_sign/shared/tcpdf_new/pdf417.php on line 758