Macro errors to run FreeCAD 0.21.2

Loaded macro into FreeCad and failed to launch. Received below error message. Including Json used below.

01:43:11  QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
01:43:11  QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
01:43:11  QLayout::addChildLayout: layout "" already has a parent
01:43:11  QLayout: Attempting to add QLayout "" to UiDialog "", which already has a layout
01:43:11  Traceback (most recent call last):
  File "C:/Users/Mario/AppData/Roaming/FreeCAD/Macro/KeyboardGenerator/KeyboardGenerator.FCMacro", line 66, in <module>
    d = Dialog.UiDialog(__Name__, __Version__, userJSONFile)  # Extends QDialog
  File "C:\Users\Mario\AppData\Roaming\FreeCAD\Macro\KeyboardGenerator\KeyboardGenerator\Dialog.py", line 500, in __init__
    self.setupUi()
  File "C:\Users\Mario\AppData\Roaming\FreeCAD\Macro\KeyboardGenerator\KeyboardGenerator\Dialog.py", line 572, in setupUi
    self.__addSettingsPageUi()
  File "C:\Users\Mario\AppData\Roaming\FreeCAD\Macro\KeyboardGenerator\KeyboardGenerator\Dialog.py", line 660, in __addSettingsPageUi
    self.reloadSettingsPreview()
  File "C:\Users\Mario\AppData\Roaming\FreeCAD\Macro\KeyboardGenerator\KeyboardGenerator\Dialog.py", line 681, in reloadSettingsPreview
    parsedKb = serial.parse(r'[[{a:7},"P","r","e","v","i","e","w"]]')
  File "C:\Users\Mario\AppData\Roaming\FreeCAD\Macro\KeyboardGenerator\KeyboardGenerator\pykle_serial\serial.py", line 241, in parse
    import json5
  File "C:\Users\Mario\AppData\Local\Programs\FreeCAD 0.21\bin\Lib\site-packages\shiboken2\files.dir\shibokensupport\__feature__.py", line 142, in _import
    return original_import(name, *args, **kwargs)
<class 'ModuleNotFoundError'>: No module named 'json5'

Axeia / KeyboardGenerator

Macro errors to run FreeCAD 0.21.2 #4