It may be caused by wrong settlement information, unstable network connection or unsupported payment methods. You can check whether the settlement information is correct, check whether the network connection is stable or try to use other payment methods for payment.
It may be caused by the failure of barcode scanner, unclear barcode or incorrect scanning angle. You can check whether the barcode scanner is working properly, adjust the scanning angle or replace other barcodes for testing.
It may be caused by corrupted system files, hardware failure or software conflict. You can try to restart the computer, check whether the system files are complete, update the software or contact technical support to repair.
7/F,Bldg 11,Long Fu Industrial Zone,Hua Rong Road, Da Lang Street,Long Hua New District,Shenzhen City，GuangDong Province, P.R.China
