The Window Item causes "Failure To Compile"

[LautaroL20]

BEE2 Application Version

4.41.0

BEE2 Package Version

4.41.0

What operating system are you running on?

Windows 7 (64bit)

Description of the bug

This bug only happens in 70´s and 80´s Old Aperture styles.

Expected behavior

The item must compile fine.

Steps to reproduce

Choose the 70´s or the 80´s Old Aperture style.
Choose the Window Item.
Export that to the game and then place the item in the editor.
Try compile it and you will see that it causes a "Failure To Compile".

Logs and Reports

[I] <valve>.vbsp(): Valve Software - vbsp.exe (Feb  4 2022)
[I] <valve>.vbsp(): 16 threads
[I] <valve>.vbsp(): Using shader api: shaderapiempty.dll
[I] <valve>.vbsp(): materialPath: D:\Steam\steamapps\common\Portal 2\portal2\materials
[I] <valve>.vbsp(): Loading D:/Steam/steamapps/common/Portal 2/sdk_content\maps\styled\preview.vmf
[I] <valve>.vbsp(): ConVarRef gpu_level doesn't point to an existing ConVar
[I] <valve>.vbsp(): Error! Variable "$envmap" is multiply defined in material "metal/underground_wall_metal004a_bottom"!
[I] <valve>.vbsp(): Could not open instance file instances/bee2/70s/items/window/win_full_vert.vmf

Additional information

No response