Steps to reproduce:

1. Open the "[^64ET.zip]"
2. Open the "New Graph" graph
3. In the New Graph window, press on the dropdown next to the floppy disk icon
4. Select "Save as" and save the new asset
5. Observe the Console

Actual results: "NullReferenceException: Object reference not set to an instance of an object" is thrown

Expected results: Nothing is thrown

Reproducible with versions: 0.4.0-exp.2 (6000.3.0a6, 6000.3.18f1), 6000.4.12f1, 

Not reproducible with versions: 6000.5.0f1, 6000.6.0a7

Tested on (OS): Windows 11 Pro (25H2)

Notes:

• The Saved file is saved correctly, and works fine - nothing is broken