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Issue ID




Space in AssemblyDefinition Name referenced by Editor AssemblyDefinition causes Error

Editor - Other



Priority: 3Not yet prioritized for a release


Severity: 2Core functionality majorly impacted

To reproduce:

1. Download the attached project "" and open in Unity
2. Observe Error in the Console window:

"Failed to load CustomEditor inspected type
UnityEditor.AssetPreviewUpdater:CreatePreviewForAsset(Object, Object[], String)"

- This issue appears on both Windows and macOS
- You can clear the console log and get the error again by reimporting a script
- The Error is caused by spaces in the .asmdef Name field
- Removing the space character and then re-referencing the renamed assembly fixes this issue

Reproduced on Unity 2017.4.0f1, 2017.4.14f1, 2018.1.9f2, 2018.2.15f1, 2018.3.0b9 and 2019.1.0a8

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