i have a website that i have configured to send me an email every time an error occurs, i keep getting the following error:

Message: Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. See http://go.microsoft.com/fwlink/?LinkID=314055 for more information.

My web.config file already specify the validationKey and Algorithm but i still get this error, i cannot seem to replicate this error in my dev environment or even when i browse the website, does anyone know any other reason this might be happening?

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