SSO not logging in most times
I successfully created my app, and the first time I launch it, it asks me to log in and then to accept the permissions I will give to it. Then it returns to my app correctly logged in.

The problem is with subsequent launches. When I load the next time, it asks me to log in, I get taken to FB app, and wheni select log in from there, the same page reloads and never leaves. If i select cancel, i go back to my app, but not logged in.

If I delete the app from my FB user's applications to reset the permissions, then it works fine the first time.

What could be wrong?
SSO not logging in most times
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I successfully created my app, and the first time I launch it, it asks me to log in and then to accept the permissions I will give to it. Then it returns to my app correctly logged in.

The problem is with subsequent launches. When I load the next time, it asks me to log in, I get taken to FB app, and wheni select log in from there, the same page reloads and never leaves. If i select cancel, i go back to my app, but not logged in.

If I delete the app from my FB user's applications to reset the permissions, then it works fine the first time.

What could be wrong?