Unity Issue Tracker - Unity crashes when a material that is highlighted in the Project Window is overwritten from a script

Fixed in 2019.2.X

Votes

0

Found in

2017.4.0f1

2018.3.0a1

2018.3.2f1

2019.1.0a1

2019.2.0a1

Issue ID

1119351

Regression

No

Unity crashes when a material that is highlighted in the Project Window is overwritten from a script

Asset Import Pipeline

-

Jan 22, 2019

How to reproduce:
1. Open attached project "case_1119351-Panmateria_Project_Stripped" and scene "Biome01_Sector01"
2. Select "ProblemObject" in the Hierarchy Window
3. Click "Biome01_Sector01_material" in the GameObject's Mesh Renderer's Materials list in the Inspector to highlight the material in the Project Window
4. While the Material is highlighted quickly press the "Generate Mask Texture" button under the Map Generator script Component

Expected result: the command successfully generates the texture
Actual result: Unity crashes

Reproducible with: 2017.4.19f1, 2018.3.3f1, 2019.1.0b1, 2019.2.0a3

Note: the Project Window must be open for the Material to be highlightable and the problem to reproduce

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