Xcode Preview Causing Crashes

Building in visionOS and one of my Swift UI views keeps causing Xcode to crash. The root issue is within the preview code, stuck on updating the preview code to prevent Xcode from crashing. When I run the simulator the app works perfectly, no bugs or issues. Any advice on how to update the preview code would be very helpful :)

import RealityKit
import RealityKitContent

struct BrandImage: View {
    @State private var currentIndex: Int = 0
    @Environment(\.openWindow) private var openWindow
    @EnvironmentObject var sharedAppState: SharedAppState
    
    var brand: [BrandEcommData]
    var initialBrand: BrandEcommData
    
    init(brand: [BrandEcommData], initialBrand: BrandEcommData) {
        self.brand = brand
        self.initialBrand = initialBrand
        if let initialIndex = brand.firstIndex(where: { $0.id == initialBrand.id}) {
            _currentIndex = State(initialValue: initialIndex)
        }
    }
    
    var body: some View {
        HStack(spacing: 0) {
            ZStack {
                ForEach(0..<brand.count, id: \.self) { index in
                    if index == currentIndex {
                        VStack {
                            Text(brand[index].brand)
                                .padding(.top, 5)
                            brand[index].image
                                .resizable()
                                .scaledToFit()
                        }
                        .transition(.scale)
                    }
                }
                
                HStack {
                    Button(action: {
                        withAnimation {
                            self.currentIndex = (self.currentIndex - 1 + brand.count) % brand.count
                            sharedAppState.currentModelId = brand[currentIndex].id
                        }
                    }) {
                        Image(systemName: "arrow.left.circle.fill")
                            .font(.largeTitle)
                            .foregroundStyle(.linearGradient(
                                colors: [.black, .gray],
                                startPoint: .top,
                                endPoint: .bottom))
                    }
                    .padding(.leading, 20)
                    
                    Spacer()
                    
                    Button(action: {
                        withAnimation {
                            self.currentIndex = (self.currentIndex + 1) % brand.count
                            sharedAppState.currentModelId = brand[currentIndex].id
                        }
                    }) {
                        Image(systemName: "arrow.right.circle.fill")
                            .font(.largeTitle)
                            .foregroundStyle(.linearGradient(
                                colors: [.black, .gray],
                                startPoint: .top,
                                endPoint: .bottom))
                    }
                    .padding(.trailing, 20)
                }
                
                VStack {
                    HStack {
                        Spacer()
                        Button(action: {
                            openWindow(id: "volumetric")
                        })
                         {
                            Image(systemName: "cube.transparent")
                                .font(.title)
                                .padding()
                                .foregroundStyle(.linearGradient(
                                    colors: [.black, .gray],
                                    startPoint: .top,
                                    endPoint: .bottom))
                        }
                    }
                    Spacer()
                }
            }
            .frame(maxWidth: .infinity)
            Rectangle()
                .frame(width: 2)
                .foregroundStyle(.linearGradient(
                    colors: [.black, .gray],
                    startPoint: .top,
                    endPoint: .bottom))
                
            VStack {
                Text(brand[currentIndex].name)
                    .font(.title2)
                Text(brand[currentIndex].itemDetail)
                    .font(.subheadline)
                Text(brand[currentIndex].itemDescription)
                    .padding()
                Text(brand[currentIndex].price)
            }
        }
        .onAppear {
            sharedAppState.currentModelId = initialBrand.id
        }
    }
}

#Preview {
    if let initialBrand = ecommdata?.first {
        BrandImage(brand: ecommdata!, initialBrand: initialBrand)
    } else {
        Text("Unable to load 3D Asset")
    }
}