unable to edit worlds due to message 'NoneType' object is not iterable

[freesia-moonshine]

Description of Issue: unbale to edit worlds, error reads as follows; An error occurred while opening C:\Users\michael\AppData\Roaming.minecraft\saves\Acol Island

'NoneType' object is not iterable

Traceback (most recent call last):
File "mcedit2\editorapp.py", line 790, in loadFile (self is a MCEditApp)
File "mcedit2\editorsession.py", line 419, in init (self is a EditorSession)
File "mcedit2\editorsession.py", line 724, in setConfiguredBlocks (self is a EditorSession)
File "mcedit2\editorsession.py", line 728, in reloadModels (self is a EditorSession)
File "src\mcedit2\rendering\blockmodels.pyx", line 236, in mcedit2.rendering.blockmodels.BlockModels.init
File "src\mcedit2\rendering\blockmodels.pyx", line 278, in mcedit2.rendering.blockmodels.BlockModels.loadModelParts
TypeError: 'NoneType' object is not iterable

MCEdit Version:2.0

Minecraft Version the world was last opened in:1.19.2

Operating System: windows

A screenshot or full text of the error from the console: see in message

How to reproduce: unkown

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