Thanks! I will try this.

Hi, I have attempted to download OpenSim4.0 today on two separate Windows 64-bit computers and encountered problems. On one of the computers OpenSim4.0 is already installed, but under a different user profile. There have not been any major changes to the computer or network recently, and OpenSim4.0 ...

Thanks for your response. I am definitely using OpenSim 4.0. The issue seems to be within the Python script itself - the box opens in the GUI by itself, and if I do a manual merge (copy and paste relevant bodies, joints, markers into my main .osim), the merged model opens without problems as well. F...

I am attempting to combine add an accessory (a box) to an existing .osim model using Python, but receive the following error message: RuntimeError: std::exception in 'SimTK::State & OpenSim::Model::initSystem()': Failed to connect Socket 'parent' of type PhysicalFrame (details: Component 'Wu_G' coul...