I have tried both to Create or to Edit but the file panda_description/urdf/panda.urdf.xacro can not be opened. See screenshots below. <img width="428" height="169" alt="Image" src="https://github.com/user-attachments/assets/692c63af-d04c-4454-be80-df8ef3d99026" /> <img width="1118" height="786" alt="Image" src="https://github.com/user-attachments/assets/326aed51-8c1c-4fde-9126-b1e548ebb63b" /> Still the same error if I use the directory listed in the text.