How to reproduce:
1. Open the “Test2023_2_20f1“ project
2. Open the “SampleScene“
3. In the Hierarchy, select all “40x40_Circle_0” GameObjects
4. Open the “TestScript” in the Assets folder
5. Change the script to trigger the compilation process (e.g. add {{Debug.Log("Test")}})
6. Observe the Console

Expected result: No error is thrown
Actual result: The “ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection” error is thrown

Reproducible in: 2022.3.30f1, 2022.3.38f1, 2023.2.20f1
Not reproducible in: 2021.3.40f1, 2022.3.29f1, 6000.0.11f1
Fixed in: 6000.0.0f1

Reproducible on: Windows 10
Not reproducible on: No other environment tested

Notes:
- The full error is provided in the internal comments
- In the first few versions prior to the Fixed In one, the error is “NullReferenceException: Object reference not set to an instance of an object”