[Bug]: Constructing a station and then undoing breaks the game

[saucylegs]

Bug Description

Constructing a station blueprint and then undoing that action causes about half of all trains to instantly disappear and is typically followed by the simulation permanently freezing.

Steps to Reproduce

1. Pause the game.
2. Build any station (as a blueprint).
3. Undo the previous action using the undo button or Ctrl+Z.
4. Resume the game.

Expected Behavior

The station should disappear without any collateral damage.

Operating System

Windows 11

Game Version

1.4.2

Screenshot

No response

Video

No response

Save File

_auto__2026_06_29_21_31_59_b41ad1f765da4075833eb60950407cfd.metro.zip

Additional Context

No response