Grey Screen after Upgrade to 2021.2.0a17

Hey everyone, I just upgraded my Unity Project to the new Version 2021.2.0a17 and now my whole sceen is just grey and I keep getting these errors every second: NotSupportedException: ForwardRendererData has been deprecated. Use UniversalRendererData instead UnityEngine.Rendering.Universal.ForwardRendererData.Create () (at Library/PackageCache/com.unity.render-pipelines.universal@12.0.0/Runtime/ForwardRendererData.cs:55) How can I fix this? Thanks! Best ![alt text][1] [1]: /storage/temp/181286-capture.png