Login Error: There is an error in logging you into this application. Please try again later
问题 I am getting this error. When I try to sign in with facebook to my app. When I first time authentication it will correctly working. After I unistalled my application and now trying to sign in with Facebook on that I am getting this error. Another Issue : After authenticate in device1 and try to login with facebook on device2 also same error is getting. Solution I Found : when I remove App authentication from Facebook App Settings it is working in above scenario's but this is not an good