Unsupported URL Assetbundle on iOS (working on Android)

Hi all,

I am making an app that downloads an Assetbundle from my server at the beginning containing a scene that is the actual game. It is working just fine on Android and Editor, but it is not working on iOS.
The error XCode shows is unsupported URL. If I build the Assetbundle for a different platform such as Android then the error is different, saying that the build target of the assetbundle is diferent to the current device, so I think it's not the Assetbundle itself.

So I am a little...

Unsupported URL Assetbundle on iOS (working on Android)