Unity Issue Tracker - Impossible to add a Script to Execution Order when an Asset containing 'dll.meta' files is imported

Fixed in 2021.1.X

Fixed in 2020.2.X

Votes

2

Found in

2020.2.0a14

2020.2.0b2

2021.1

Issue ID

1280737

Regression

Yes

Impossible to add a Script to Execution Order when an Asset containing 'dll.meta' files is imported

Settings Window

-

Sep 27, 2020

How to reproduce:
1. Create a new project
2. Import any Asset listed in the note section
3. Go to Edit -> Project Settings -> Script Execution Order
4. Click the '+' button to add a Script to custom order

Expected result: a list of possible Scripts is shown
Actual result: the list isn't opened and the error is logged in the Console: 'ArgumentException: An item with the same key has already been added...'

Reproducible with: 2020.2.0a14, 2020.2.0b4, 2021.1.0a1
Not reproducible with: 2018.4.27f1, 2019.4.12f1, 2020.1.6f1, 2020.2.0a13

Notes:
The issue is found to be reproducible with these Assets:
- 'Odin - Inspector and Serializer' (https://assetstore.unity.com/packages/tools/utilities/odin-inspector-and-serializer-89041)
- 'Peek - Editor Toolkit' Asset (https://assetstore.unity.com/packages/tools/utilities/peek-editor-toolkit-149410)
- 'DOTween Pro' (https://assetstore.unity.com/packages/tools/visual-scripting/dotween-pro-32416)
- 'DOTween (HOTween v2)' (https://assetstore.unity.com/packages/tools/animation/dotween-hotween-v2-27676)
- 'Rewired' (https://assetstore.unity.com/packages/tools/utilities/rewired-21676)