System.InvalidOperationException: Operations that change non-concurrent collections must have exclusive access. A concurrent update was performed on this collection and corrupted its state. The collection's state is no longer correct.

Sentry Issue: [UNITY-EXPLORER-PJ9](https://decentraland.sentry.io/issues/7638135338/)

```
System.InvalidOperationException: Operations that change non-concurrent collections must have exclusive access. A concurrent update was performed on this collection and corrupted its state. The collection's state is no longer correct.
File "Generics__30.cpp", line 428, in Execute
File "Generics__30.cpp", line 10666, in Execute
...
(8 additional frame(s) were not displayed)
```
This issue was automatically created by Sentry via [Explorer Alpha Github Issue Creation](https://sentry.io/organizations/decentraland/monitors/alerts/3130340/)

Start with the linked Sentry event and the Generics__30.cpp stack frames to identify the Unity/C# code path and collection involved. Reproduce the concurrent update and verify that the corruption exception no longer occurs after the fix.

Written by the indexing model from the issue text.