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I created a cognito user-pool, Im using Google,Facebook as identity provider for sign up, Google works fine, but with Facebook i got an error. Cognito generate Facebook;s button then the user login and allows share it information and email, but when aws Cognito recives the user's profile information don't create the user and return a error "userName mapping requiered" but on configuration I already mapped it, as the documentation especify.
Error from Cognito

Facebook configuration

Params mapped

Jimmy Valverde
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1 Answers1

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The problem caused by App Secret proof for API calls in the advanced settings of the Facebook App. Set it to No.

Refer to the following link:
API calls from the server require an appsecret_proof argument

Giroud
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