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Auth2 Facebook
Mistake Invalid Scopes: Email. This message is only shown to developers. Users of your app will ignore these permissions if they are present. Read the documentation on valid permissions at: https://developers.facebook.com/docs/facebook-login/permissions
TL;DR
The user is asking about the login limit for Auth2 Facebook. Someone suggests that it could be 50 requests in an hour per IP. The user also mentions a link that might be helpful but couldn't find the information. Another person suggests checking the email permission mentioned in the guide. The user then realizes they made a mistake with the invalid scope. The solution is to read the documentation on valid permissions at the provided link. 
Hi, I can see an email permission mentioned in the guide, did you grant that?
I don't know where that is, I looked and I didn't find it
Maybe this will help: https://stackoverflow.com/questions/75890476/invalid-scopes-email-openid-public-profile
how much is the login limit?
I think it's 50 requests in an hour per IP
