Getting error message in facebook integration

Question

I am working in facebook integration i have implement code from android tutorial ,its work fine for first time second time its showing error message

Sorry, this feature isn't available right now: An error occurred while processing this request. Please try again later.

here is the error screen

could somebody tell me why is this happening, any idea..@Thanks

Answer 1

如果您将此Facebook用户添加到“角色”部分，则必须确认该用户帐户的请求。