Adding blocks from the <https://www.mathworks.com/matlabcentral/fileexchange/47417-simscape-multibody-contact-forces-library Simscape Multibody Contact Forces Library> to a new model gives the following error message:

"External Force and Torque External_Force_and_Torque_PlaB has its follower port rigidly connected to the world frame; it has no effect. You can configure this diagnostic in the Simscape Multibody Configuration Parameters dialog."Adding blocks from the <https://www.mathworks.com/matlabcentral/fileexchange/47417-simscape-multibody-contact-forces-library Simscape Multibody Contact Forces Library> to a new model gives the following error message:

"External Force and Torque External_Force_and_Torque_PlaB has its follower port rigidly connected to the world frame; it has no effect. You can configure this diagnostic in the Simscape Multibody Configuration Parameters dialog." Adding blocks from the <https://www.mathworks.com/matlabcentral/fileexchange/47417-simscape-multibody-contact-forces-library Simscape Multibody Contact Forces Library> to a new model gives the following error message:

"External Force and Torque External_Force_and_Torque_PlaB has its follower port rigidly connected to the world frame; it has no effect. You can configure this diagnostic in the Simscape Multibody Configuration Parameters dialog." simscape, multibody, contact MATLAB Answers — New Questions

​