[BUG] Model with only enum doesn't work

[Emauss]

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🐛 Bug Report:

Describe the bug

The issue is with a simple enum model in global components ( with objects works ) while I'm trying to generate them using ref to this model ( screens )

Expected behavior

We can use enums as model

Screenshots

Operation System (please complete the following information):

• OS: Windows 10
• Version x64

Package System (please complete the following information):

• Version 2.12.0

Additional context

Add any other context about the problem here.