When signing up I received an error "Please Check Your SellerId or Mws Auth Token"

If you get an error saying  Please Check Your SellerId or Mws Auth Token. This indicated that your SellerID is invalid or the MWS token you provided does not match the SellerID. 

Please verify that asinzen has been added as a developer in your account by reading this support article. If you are still experiencing issues or unsure how to do this please contact us via our live chat.

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