How to reproduce:
1. Create and open a new project
2. Import any FBX file with embedded textures (can use the attached “Ch21_nonPBR.fbx“ file)
3. Click on the imported FBX
4. In the Inspector, select the “Material“ tab
5. Click “Extract Textures“, select any path to extract the textures to, and continue
6. Repeat steps 4 and 5
7. Observe the Console

Expected result: Nothing is logged
Actual result: An "EndLayoutGroup" error is logged

Reproducible in: 2021.3.50f1, 2022.1.0a10, 2022.3.61f1, 6000.0.46f1, 6000.1.0b14, 6000.2.0a9
Not reproducible in: 2022.1.0a9

Reproduced on: Windows 11 Pro (24H2), macOS 15.3.2
Not reproduced on: No other environment tested

Notes:
- This issue is unrelated to UUM-102710
- The error reads:
“EndLayoutGroup: BeginLayoutGroup must be called first.
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)“
- Can be reproduced when extracting textures from different FBX files