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I'm running into an error when creating outbound fulfillment orders in MWS. Every time I create a fulfillment using peddler, I get this response:

A create request already exists for MerchantFulfillmentOrderId : xxxx

The fulfillment is created sucessfully in MWS but I get this error response regardless. What's going on here?

boydenhartog
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1 Answers1

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Yes, you have to create a new "Merchant Fulfillment Order Id" for every new request. It cannot already exist.

ToddT
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