Forum Migration Notice
Update (2026-01-12): The user forums will be put into read-only mode on the 21st of January, 00:00 CET, to prepare for the data migration.

We're transitioning to a more modern community platform by beginning of next year. Learn about the upcoming changes and what to expect.

the function play Simulation does sometime not work in Robotstudio 2023.4 and 2024 also

I do some simulations with Robotststudio using Buttons, Mover.... with my pupils.
Some of them use Robotstudio2023.2 everything works.
Some of them use 2023.4 - and 2024 here the problem starts when we start the simulation nothing happens most of the time 
Sometimes it works normaly - i cant find why??