Game Crash: "Pure virtual function being called while application was running (GisRunning == 1)" Error

When copying a sink item and then navigating to a lower floor in build studio my game freezes, displays a “Pure virtual function being called while application was running (GisRunning == 1)” error and eventually crashes.

The game crashes consistently every time I try to navigate to a lower floor after copying the sink object. This doesn’t happen with other items like the sofa, fridge, tables or chairs. I have also tried this with other sink objects and the game will still crash sometimes without an error message.

  • Game Version: 20260223.10574.W

  • Platform: Steam Windows

  • Mods: Removed

  • Hardware Specifications & Operating System (OS version, CPU, GPU, RAM, storage…):

    • Graphics: GeForce Nvidia 3070 Ti (24GB)
    • Processor: AMD Ryzen 9 7950X3D 16-Core Processor
    • OS: Windows 11: 64-bit operating system, x64-based processor
    • RAM: 64GB
    • Storage: 2TB
  • Steps to Reproduce: I have uploaded the creation causing the build error to canvas here

      1. Navigate to the third floor and copy the sink object.
      2. Navigate to the 2nd floor.
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