Amazon Mass Post error - Wrong feed data

If Amazon returns the following error messages back to Mass Post:

• Wrong feed data
• No valid feeds to upload
• Invalid request parameters

{"errors":[{"code":"InvalidInput","message":"Invalid request parameters","details":""}]}

Reason

The error usually occurs when Amazon has found an issue with your account or is missing important payment information. 

Solution

• Check your seller central account info and performance notifications for any issues.
• Check your account information on Amazon's Seller Central that information about Charge Methods and Bank Account is valid.
• Check out any Amazon notifications here that might be related to the issue.
• Contact Amazon Seller Support to resolve the issue with your account.