Visual Studio MAC Crashes with NullReferenceException

[GenuineRex]

monodevelop/main/src/addins/MonoDevelop.TextEditor/MonoDevelop.TextEditor/ThemeToClassification.cs

Line 41 in ca84d50

Ide.Editor.DefaultSourceEditorOptions.Instance.Changed += UpdateEditorFormatMap;

ERROR [2021-06-24 08:57:35Z]: The file '/app/Controllers/GenericController.cs' could not be opened.
System.NullReferenceException: Object reference not set to an instance of an object
at MonoDevelop.TextEditor.ThemeToClassification..ctor (Microsoft.VisualStudio.Text.Classification.IEditorFormatMapService editorFormatMapService) [0x0000d] in /Users/builder/azdo/_work/1/s/main/src/addins/MonoDevelop.TextEditor/MonoDevelop.TextEditor/ThemeToClassification.cs:41