Steps to reproduce:
1. Create new Unity project
2. Import “com.unity.graphtoolkit” package using Package Manager
3. Go to Samples tab and import “TextureMaker Sample” sample
4. Navigate to Assets > Create > Graph Toolkit Samples > Texture Maker Graph
5. Open “New Graph.texmkr” Asset
6. Observe the Console window

Actual results: Error is thrown in the Console “Assets/New Graph.texmkr: Add a CreateTextureNode in your Texture graph.” when opening Asset

Expected results: No errors should be thrown or a message should be provided, that “CreateTextureNode” should be added

Reproducible with versions:  0.4.0-exp.1 (6000.2.4f1, 6000.3.0b2)
Can’t test with versions: 6000.0.58f1 (package is not supported)

Tested on (OS): macOS Silicon, Sequoia 15.6 (M1)