Inspector error thrown when entering playmode

[Yusuf Ismail]

The inspector will throw the following (harmless) error if playmode is entered whilst the inspector is active

ArgumentException: GUILayout: Mismatched LayoutGroup.repaint
UnityEngine.GUILayoutUtility.BeginLayoutGroup (UnityEngine.GUIStyle style, UnityEngine.GUILayoutOption[] options, System.Type layoutType) (at C:/buildslave/unity/build/Modules/IMGUI/GUILayoutUtility.cs:311)
UnityEditor.EditorGUILayout.BeginHorizontal (UnityEngine.GUIContent content, UnityEngine.GUIStyle style, UnityEngine.GUILayoutOption[] options) (at C:/buildslave/unity/build/Editor/Mono/EditorGUI.cs:8938)
UnityEditor.EditorGUILayout.BeginHorizontal (UnityEngine.GUILayoutOption[] options) (at C:/buildslave/unity/build/Editor/Mono/EditorGUI.cs:8922)
QFSW.QC.Editor.QuantumConsoleInspector.OnInspectorGUI () (at Assets/Plugins/QFSW/Quantum Console/Source/Editor/QuantumConsoleInspector.cs:176)
UnityEditor.InspectorWindow.DoOnInspectorGUI (System.Boolean rebuildOptimizedGUIBlock, UnityEditor.Editor editor, System.Boolean wasVisible, UnityEngine.Rect& contentRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1626)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

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[Yusuf Ismail]

This can no longer be reproduced in V2.3.0