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Re-generating a new CSR



We have an existing and apple pay account. We are looking to start from scratch with this apple pay integration and have performed the following steps


1) Create a new merchant ID on apple pay 

2) Create a merchant ID certificate for our application to talk to apple pay 

3) Update the existing merchant ID on 

4) Download the payment processing CSR from

5) Upload this CSR to apple pay


At this point we get an error saying the "The uploaded CSR file has already been used to generate another certificate. Please upload a new CSR either by obtaining one from your Payment Provider or creating a new CSR"

Is there a way to request to generate a brand new CSR and key file ?