You should have both an app id and an app secret. Saving the values validates with Facebook. If the validation fails and your values are incomplete or rejected the form will appear blank.
But can you explain me why??? Why Facebook Plugin reject my app information? I think, it’s completely correct…
Niall Kennedy – Only you can help me (I think). I write hire all configuration my Facebook App have now:
Basic Info
Display Name: Heros
Namespace: heros_fb_plugin
contact Email: my_e-mail_address@outlook.com
App Domains: heros.besaba.com
Website with Facebook Login
Site URL: http://heros.besaba.com/
And I copy: App ID and App Secret to plugin part. Click save. All fills are empty…