I keep getting this error and I was told it is the encryption that is causing it. However, First Data has now sent us 3 sets of pin pads and I am still getting the same error in RMS when trying to process a debit card. All the hardware/software checks out and tests fine. Is this error really an encryption problem or could it be something else??
I can't seem to find any information on this error anywhere.
Thanks for any help anyone can give.