Reproduction steps:

1. Open user attached “InputActionRebindingExtensions_Repro.zip”
2. Open Assets > Scenes > SampleScene
3. Enter Play mode
4. Press the “A” key on your keyboard and observe the Console
5. Select “Save Override”
6. Double click on “ChangeableActions” Input Action Asset
7. Delete and recreate “Action1”
8. Save Asset
9. Enter Play mode
10. Click the “A” button on your keyboard and “Load Override”

Expected result: No error message in the Console
Actual result: “NotImplementedException: The method or operation is not implemented.”

Reproduced with: 2020.3.42f1, 2021.3.14f1, 2022.1.24f1, 2022.2.0f1, 2023.1.0a21

Reproducible on: Windows 11

Note:
* Not reproducible on a build