Amazon Vendor - Sspndd - 'Misuse of Purchase Order gene

Hi Guys

This is a strange one for you guys. Have you ever come across this:

We got a violation on Amazon Vendor for ''Misuse of Purchase Order generation' 

We have searched the whole of the internet with no results. We have appealed but Amazon are not responding.

Have you guys ever faced such a weird violation from Vendor? This is our first and only one in the last 8 years of being a Vendor supplier. We use an EDI system to process our orders. So we don't even generate the orders our self.

Regards