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Under Consideration for 2021.3.X, 2022.3.X
Votes
0
Found in
2021.3.40f1
2022.3.39f1
6000.0.12f1
Issue ID
UUM-76255
Regression
No
[ShaderGraph] Legacy nodes in the graph can result in a NullReferenceException when updating node
*Steps to reproduce:*
# Open the attached URP Unity Project in your modern Unity version (original project version is 2019.3.15f1 so that it has a legacy property)
# Open the 'New Shader Graph.shadergraph' asset in the Asset Browser
# Drag the legacy 'Color' property from the blackboard into the graph
# Click on the Color property in the graph (not in the Blackboard) and click 'Update' in the Graph Inspector
# Undo the update with Ctrl + Z
# Click on the Color property in the graph again and click 'Update' in the Graph Inspector
*Actual results:* A NullReferenceException is logged to console with the message 'Object reference not set to an instance of an object'
*Expected results:* The Color property is updated without a NullReferenceException
*Reproducible with versions:*
* 6000.0.12f1
* 2022.3.39f1
* 2021.3.40f1
*Not reproducible with versions:* -
*Can’t test with versions:* -
*Tested on (OS):* Windows 11
*Notes:*
* Updating the Color property from the Blackboard will not cause this error. It is specifically when updating the property from the graph after undoing a previous Update with Ctrl + Z.
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