Array of custom Struct not compiling

I have a struct composed of an array of a custom enum (3 states) and a TileEnity. . . When I make a component for this struct it will compile as a single property but fails as an array

IndexOutOfRangeException: Index was outside the bounds of the array.
Unity.Tiny.TinyScriptedImporterEditorBase`2[TAssetImporterType,TRegistryObject].get_MainTinyGUID () (at Library/PackageCache/com.unity.tiny@0.13.4-preview/Editor/ScriptableObject/TinyScriptedImporterEditorBase.cs:22)
Unity.Tiny.TinyScriptedImporterEditorBase`2[TAssetImporterType,TRegistryObject].GetMainEditableId () (at Library/PackageCache/com.unity.tiny@0.13.4-preview/Editor/ScriptableObject/TinyScriptedImporterEditorBase.cs:30)
Unity.Tiny.TinyScriptedImporterEditorBase`2[TAssetImporterType,TRegistryObject].OnHeaderGUI () (at Library/PackageCache/com.unity.tiny@0.13.4-preview/Editor/ScriptableObject/TinyScriptedImporterEditorBase.cs:116)
UnityEditor.Editor.DrawHeader () (at C:/buildslave/unity/build/Editor/Mono/Inspector/Editor.cs:671)
UnityEditor.InspectorWindow.DrawEditorLargeHeader (UnityEditor.Editor[] editors, System.Int32 editorIndex, System.Boolean& showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect, UnityEditor.Editor editor, System.Boolean& wasVisible) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1536)
UnityEditor.InspectorWindow.DrawEditorHeader (UnityEditor.Editor[] editors, System.Int32 editorIndex, System.Boolean& showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect, UnityEditor.Editor editor, UnityEngine.Object target, System.Boolean& wasVisible) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1505)
UnityEditor.InspectorWindow.DrawEditor (UnityEditor.Editor[] editors, System.Int32 editorIndex, System.Boolean rebuildOptimizedGUIBlock, System.Boolean& showImportedObjectBarNext, UnityEngine.Rect& importedObjectBarRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1433)
UnityEditor.InspectorWindow.DrawEditors (UnityEditor.Editor[] editors) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1309)
UnityEditor.InspectorWindow.OnGUI () (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:652)
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <ac823e2bb42b41bda67924a45a0173c3>:0)
Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <ac823e2bb42b41bda67924a45a0173c3>:0)
System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at <ac823e2bb42b41bda67924a45a0173c3>:0)
UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:342)
UnityEditor.HostView.Invoke (System.String methodName) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:336)
UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition, UnityEngine.Rect viewRect) (at C:/buildslave/unity/build/Editor/Mono/HostView.cs:310)
UnityEditor.DockArea.DrawView (UnityEngine.Rect viewRect, UnityEngine.Rect dockAreaRect, System.Boolean customBorder, System.Boolean floatingWindow, System.Boolean isBottomTab) (at C:/buildslave/unity/build/Editor/Mono/GUI/DockArea.cs:363)
UnityEditor.DockArea.OldOnGUI () (at C:/buildslave/unity/build/Editor/Mono/GUI/DockArea.cs:322)
UnityEngine.Experimental.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 worldTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout) (at C:/buildslave/unity/build/Modules/UIElements/IMGUIContainer.cs:244)
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr)


AND

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr)