Bug Null Reference Error from Textmeshpro Inputfield when trying to save in a prefab

Hello when I am trying to add a default "input field" to a prefab with all base settings, saving that prefab results in an error.

Steps to reproduce:
1. Make a prefab
2. Open prefab
3. Right click add -> UI -> Inputfield Text mesh pro
4. Try saving prefab
5. Observe error

Code (CSharp):

1. NullReferenceException: Object reference not set to an instance of an object
2. TMPro.TMP_SubMeshUI.UpdateMaterial () (at Library/PackageCache/com.unity.textmeshpro@3.0.6/Scripts/Runtime/TMP_SubMeshUI.cs:710)
3. TMPro.TMP_SubMeshUI.SetMaterialDirty () (at Library/PackageCache/com.unity.textmeshpro@3.0.6/Scripts/Runtime/TMP_SubMeshUI.cs:617)
4. UnityEngine.UI.MaskableGraphic.RecalculateMasking () (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/MaskableGraphic.cs:301)
5. UnityEngine.UI.MaskUtilities.NotifyStencilStateChanged (UnityEngine.Component mask) (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/MaskUtilities.cs:46)
6. UnityEngine.UI.Mask.OnValidate () (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/Mask.cs:131)
7. System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <c2a97e0383e8404c9fc0ae19d58f57f1>:0)
8. Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
9. System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <c2a97e0383e8404c9fc0ae19d58f57f1>:0)
10. System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <c2a97e0383e8404c9fc0ae19d58f57f1>:0)
11. UnityEngine.UI.Graphic.OnRebuildRequested () (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/Graphic.cs:796)
12. UnityEngine.UI.GraphicRebuildTracker.OnRebuildRequested () (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/GraphicRebuildTracker.cs:54)
13. UnityEngine.CanvasRenderer.RequestRefresh () (at <dc56479238874a218f509da0e4e322d7>:0)
14. UnityEditor.EditorApplication:Internal_CallGlobalEventHandler()
15.