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Reply To: Transaction ID prefix?

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Josh # Posted on March 22, 2018 at 7:26 am

Hi there,

A 4020 error from SagePay actually means the server’s IP address doesn’t match the IP address set in your SagePay account. Here are the instructions from SagePay that show how to fix:

https://www.sagepay.co.uk/support/error-codes?keyword=4020

Do NOT follow this link or you will be banned from the site!