If the Probuilder package is added to this project the below error appears. It does not appear on a new project.

ArgumentNullException: Value cannot be null.
Parameter name: list
System.ThrowHelper.ThrowArgumentNullException (System.ExceptionArgument argument) (at <437ba245d8404784b9fbab9b439ac908>:0)
System.Collections.ObjectModel.ReadOnlyCollection`1[T]..ctor (System.Collections.Generic.IList`1[T] list) (at <437ba245d8404784b9fbab9b439ac908>:0)
UnityEngine.ProBuilder.ProBuilderMesh.get_faces () (at Library/PackageCache/com.unity.probuilder@4.1.0/Runtime/Core/ProBuilderMesh.cs:208)
UnityEngine.ProBuilder.ProBuilderMesh.InvalidateCaches () (at Library/PackageCache/com.unity.probuilder@4.1.0/Runtime/Core/ProBuilderMesh.cs:237)
UnityEngine.ProBuilder.ProBuilderMesh.OnAfterDeserialize () (at Library/PackageCache/com.unity.probuilder@4.1.0/Runtime/Core/ProBuilderMeshFunction.cs:19)

Steps to reproduce
- Open the attached project (2019.3.0b10)
- Add the ProBuilder package to the project (4.0.0, 4.0.5, 4.1.0)
- Load the Sprint scene in the Scenes folder.
Notice issue >> Error spews to the log 63 to 528 times.

Tested Broken
Linux, macOS: 2019.3.0b10, 2019.3.0b10, 2019.3.0b8
Probiler Versions: (4.1.0)

Tested Working
macOS: 2019.3.0b5, 2019.3.0b7
Probiler Versions: (4.0.0, 4.0.5, 4.1.0)