Placing down a building command not getting fully accepted

[DrGoldFish1]

Prerequisites

• I have searched for similar issues and confirmed this is not a duplicate

Game Version

• Command & Conquer Generals
• Command & Conquer Generals: Zero Hour
• Other (please specify below)

Bug Description

When trying to place down a scaffold on top of a traincar your command will only be halfly executed.
Trees gets removed, sound command gets played, units will move out of the way but no money is being removed and the scaffold is not placed down. The traincars also dont show a redbox around to indicated that you are unable to build there.

With some testing it does appear that out of all the carts there are 4 carts you are able to place a scaffold on and those are,
-TrainCar03
-TrainCar04
-TrainCab
-TrainCabUngarrisonable

This bug is retail and still exists on GO and latest superhackers patch.

2026-06-03.22-43-15.mp4

Here you can see it in an actual game
https://youtu.be/kWKil199ZVQ?t=3055

Reproduction Steps

-Open a map with train carts on the map, like the map i shared
-Try to place down a scaffold on top of the train carts.

[Testing] Bugs.zip

Additional Context

No response

[WWB2-account]

Sounds to me like this can be resolved mostly by adjusting data. Just make all train carts unable to be built on.
Though uner the hood something definitely also needs looking at.