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Duplicate

Duplicate in 6000.5.X

Votes

0

Found in

6000.4.0b7

6000.5.0a6

Issue ID

UUM-133443

Regression

No

"NullReferenceException" is thrown when saving the Graph with the same name and the Graph is currently opened

Graph Toolkit

-

How to reproduce:
1. Create a new Unity project and import the "MySimpleGraph" Script
2. In the Project window, right-click -> Create -> Graph Toolkit Samples -> Simple Graph -> Open the Graph
3. Click the Save button -> Save As -> Don't change the Graph name
4. Click "Replace" when prompted
5. Observe the results

Expected results: The Graph remains opened and no errors are thrown
Actual results: The Graph window becomes empty and NullReferenceException is thrown

Reproducible with: 6000.4.0b7, 6000.5.0a6

Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested

First lines of error:
NullReferenceException: Object reference not set to an instance of an object
Unity.GraphToolkit.Editor.Implementation.GraphModelImp.CreateGraphProcessors () (at /Users/bokken/build/output/unity/unity/Modules/GraphToolkitEditor/GraphToolkitPublic/Implementation/GraphModelImp.cs:226)

  1. This is a duplicate of issue #UCW-63712-1411

    "Save As..." throws an error

  1. Resolution Note:

    Thank you for reporting a bug to Unity.

    We have reviewed the issue and found it is a duplicate of an existing bug already logged in our system. To keep things organized and ensure the issue is properly prioritized, we have linked your report to the original case.

    We will now close this report as a duplicate, but the original bug remains open and under review. Your input has been noted and helps us better understand the impact of the issue. If anything changes regarding its severity or impact, please let us know.

    Thank you for helping us improve Unity!

  2. Resolution Note (6000.5.X):

    Thank you for reporting a bug to Unity.

    We have reviewed the issue and found it is a duplicate of an existing bug already logged in our system. To keep things organized and ensure the issue is properly prioritized, we have linked your report to the original case.

    We will now close this report as a duplicate, but the original bug remains open and under review. Your input has been noted and helps us better understand the impact of the issue. If anything changes regarding its severity or impact, please let us know.

    Thank you for helping us improve Unity!

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