Another card processing problem.The customer inserted the card in the processor.A pop up on our sign asked for us to manually enter the last 4 digitsof the cust...

The same thing happened to me last week on my new pos system.Customer put her card in the processer. "invalid card number". came up on my screen. I then tried t...

This just happened to me with my new pos system.when the customer tried to use her card by inserting it in the processerI had "Invalid card number" come up on m...