"Atlas uncompressed. This can be caused by mismatch texture formats." is thrown when Paint Details is selected

How to reproduce:
1. Open the attached project "My project.zip"
2. Select SampleScene>Terrain in the Hierarchy window
3. Select Terrain>Paint Details in the Inspector window

Expected results: No warnings are thrown in the Inspector window
Actual results: "Atlas uncompressed. This can be caused by mismatch texture formats." in the Inspector window

Reproducible with: 2022.3.57f1, 6000.0.37f1, 6000.1.0b5, 6000.2.0a2

Reproducible on: Windows 11 23H2
Not reproducible on: No other environment tested