Error during FB.Init()

[birdkingz]

Using Unity FB SDK 7.5.0 and I got an error when I call FB.Init()

NullReferenceException: Object reference not set to an instance of an object
Facebook.Unity.FacebookBase.OnInitComplete (Facebook.Unity.ResultContainer resultContainer) (at Assets/FacebookSDK/SDK/Scripts/FacebookBase.cs:217)
Facebook.Unity.FacebookGameObject.OnInitComplete (System.String message) (at Assets/FacebookSDK/SDK/Scripts/FacebookGameObject.cs:62)
Facebook.Unity.Editor.EditorFacebook.Init (Facebook.Unity.HideUnityDelegate hideUnityDelegate, Facebook.Unity.InitDelegate onInitComplete) (at Assets/FacebookSDK/SDK/Scripts/PlatformEditor/EditorFacebook.cs:79)
Facebook.Unity.FB+<Init>c__AnonStorey12.<>m__4 () (at Assets/FacebookSDK/SDK/Scripts/FB.cs:234)
Facebook.Unity.FB+CompiledFacebookLoader.Start () (at Assets/FacebookSDK/SDK/Scripts/FB.cs:864)

[FedericoLaGreca]

I can confirm this happens to us in Unity Editor and also in WebGL builds

[swiese]

This is being tracked in
https://developers.facebook.com/bugs/929096797187666/

This will be fixed in the next release