How to reproduce:
1. Open the “ReproProjectGUIFinal“ project
2. Open the “Level01 Scene“
3. Move the Console window to the same place as the Inspector window
4. In the Project window navigate to the “Assets/01-Features/Towers/Data“ folder
5. Click on the “TowerData“ asset
6. Observe the Console window
Expected result: No error is thrown
Actual result: “ArgumentException: An item with the same key has already been added“ error is thrown
Reproducible with: 2021.3.40f1, 2022.3.35f1, 6000.0.8f1
Reproducible on: macOS 14.5 (Intel), Windows 11 (User’s)
Not reproducible on: No other environments tested
Note: After you move the Console window to a different panel on the screen (for example at the bottom of the Editor), the issue does not reproduce anymore. The issue only reproduces when both the Inspector and the Console windows are in the same panel