Facebook API's fb:registration returning “Invalid 'client_id'” when not connected to Facebook

Question

I\'m trying to use Facebook\'s registration tool for my website. I would like to allow Facebook users to login seamlessly to my website, but also non-Facebook users to creat

Answer 1

In my case, I was displaying the fb registration link without logging in the user first. After scratching my head for a long time, I asked the user to log in through facebook before presenting the registration form. The error was gone much to my delight.