I cannot start the simulation

[saimegemenyucel]

Please fill out the following information to help in answering your question, and also see tips for posting code snippets. If you don’t provide this information it will take more time to help with your problem!

_Geant4 Version:_geant4-v11.2.0
_Operating System:_win11
_Compiler/Version:_Visual Studio Version 17.3.5
_CMake Version:_cmake-3.28.1

---

Hi everyone, I am a newbie here and stuck in somewhere again. I do not know what did I wrong. When I execute my geant4_pybind python code the UI session starts but do not visualize anything. UI give me my defined materials list and suddenly crushes.

and then when I close interactive mode in visual studio it says:

[loydms]

Do you know the source of this 3221225477 number? Is it defined in your code? Somewhere it tries to convert it to an integer, and it is larger than the maximum 32-bit value

[saimegemenyucel]

No, there is no such thing in my code.