Same issue for my another community
In working to create a great Platform experience for everyone, we ask developers to ensure the apps they build comply with our Platform Policies. Your app Engineering Talks (AppId: ........................3) doesn't comply with the following:
Platform Policy 8.1: Verify that you have integrated Login correctly. Your app shouldn't crash or hang during the testing process.
During Login, your app or website is crashing or hanging excessively, creating a broken experience for people trying to use your Login integration. To make sure this flow runs smoothly, check that you've integrated Facebook Login correctly. We recommend that you test Login on all integrations. If you have not already done so, please:
• We encourage you to test your Login integration following these steps here: https://developers.facebook.com/docs/facebook-login/testing-your-login-flow/
• Best Practices for Login can be found here: https://developers.facebook.com/docs/facebook-login/best-practices