AudioFileResource.load not working

Hello everybody, I'm trying to add sound effects to entities but I'm not being able to load audio assets from URL or main bundle Url, here's my code:

let resource = try AudioFileResource.load(contentsOf: audioFileURL, withName: path, inputMode: .spatial, loadingStrategy: .preload, shouldLoop: true)

            let audioController = entity.prepareAudio(resource)

            audioController.play()

        } catch {

            print("Error while loading audio file...")

        }

where this is my URL:

file:///var/mobile/Containers/Data/Application/B338F8B5-2FC6-4B90-9720-271E5362906A/Documents/Griffin.wav.

any help would be very appreciate, thanks you so much!