Hi. The Facebook App, these parameters must be set on (NO) -OFF: Require App Secret (NO-OFF), Embedded Browser OAuth Login (NO-OFF) Require 2-Factor Reauthorization (NO-OFF), Force Web OAuth Reauthentication (NO-OFF) Analytics Allow All Users to See Sensitive info (NO-OFF), Native or desktop app? (NO-OFF), Native or desktop app? (NO-OFF) Contains Alcohol (NO-OFF ), Country Restricted (NO-OFF), Stream URL security post (NO-OFF). The rest all ON-SI. Fundamentally the parameter that causes the most common mistake with plug GavickPro is: App / Advanced / "Require App Secret:" NO-OFF. and "Embedded Browser OAuth Login:" NO-OFF, if these parameters are abilitados, primarily the first, we get the error message "Username and Password not correct or you do not have an account". I hope I have been helpful. Ovviamente I assume your Template is updated. Thanks, greetings from Italy. René.