When user sign up with application ui (aws congito have used for authentication) the same user if sign in with google it shows error

Asked Dec 05 '22 at 08:23

Active Dec 05 '22 at 08:23

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i have used aws congnito for user authentication for my app. so here user direcly signup with the application and if the same user(same email) login with third party means using google or facebook in my case, it shows "#error_description=PreSignUp+failed+with+error+A+user+with+the+same+email+address+exists.+&state=dSUG682CKNVOB7mAF0safs7Mgn99xnuJ&error=invalid_request"

so how to handle this problem i want to get user to be authenticated if the user with same email

asked Dec 05 '22 at 08:23

Sathish Kumar M

Does this answer your question? [AWS Cognito: Best practice to handle same user (with same email address) signing in from different identity providers (Google, Facebook)](https://stackoverflow.com/questions/59635482/aws-cognito-best-practice-to-handle-same-user-with-same-email-address-signing) – Sampath Dilhan Dec 07 '22 at 10:56

When user sign up with application ui (aws congito have used for authentication) the same user if sign in with google it shows error

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