I'm getting the same errors when I try to run the baseline. Similarly to others that have posted here, I can only find ProbGUI_v1.m, and I had to change the delete function to be 3 separate deletes. I have also made sure that both ExternalGRF_setup.xml and OpenSimInverseDynamics_setup.xml have the c...

Gary, could you explain how you both figured out and fixed what your issue was? I am having a similar problem with my IK errors, but haven't heard of or considered it being an issue with the marker frame.

Thanks in advance,
Kyler Howard

I am working on a research project for my university over the summer where we are analyzing the spike motion of volleyball players using OpenSim. Unfortunately I have run into some issues when attempting the Inverse Kinematics myself, but I think watching the April 2017 webinar about scaling pointed...