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Fixed in 2020.2.X
Votes
0
Found in
2019.3.0a8
2020.1
2020.2
2020.2.0a14
Issue ID
1254071
Regression
Yes
[Tilemap] Assertion failed exception thrown on Undo action after removing Tilemap and TilemapRenderer component
Assertion failed exception thrown on Undo action after removing Tilemap and TilemapRenderer component after creating the prefab of the Tilemap
Steps to Repro:
1. Create a new Project
2. Install 2D Tilemap package from Package Manager
3. Hierarchy > right-click > 2D > Tilemap
4. Create prefab of the Grid > Tilemap
5. Remove Grid > Tilemap > Inspector > Tilemap Renderer and Tilemap
6. Hierarchy > Grid > Tilemap > Override > Apply All
6. Delete Project > Tilemap
7. Ctrl + Z > 4 - 5 times
Expected Result:
Tilemap should be deleted and no error should come
Actual Result:
"Assertion failed on expression: 'it->second.IsValid()'
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()" exception thrown
Reproducible on: 2020.2.0a14, 2020.1.0b12, 2019.3.16f1, 2019.3.0f1
Working fine on: 2019.3.0a7, 2019.2.21f1, 2018.4.23f1
Environment: Windows 10
Stack Trace:
Assertion failed on expression: 'it->second.IsValid()'
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()
GetLoadedImportedAssetsAndArtifactIDs called with invalid artifactID
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()
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