On this page, you will find more information about the most common causes and most relevant solutions for the Whatsapp error '472 - User's number is part of an experiment'. Do you need help straight away? Visit our support page.
The Facebook Inc. documentation indicates that error code '472 - User's number is part of an experiment' is caused by the following problem: "Failed to send a message because this user's phone number is part of an experiment.".
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