It appears that your computer is not mapped to access the Revit 2017 templates
R>>Options>>File locations
You can set up the location to project template files here. Revit project files are located here
C:\ProgramData\Autodesk\RVT 2017\Templates\US Imperial\xxxx.rte
Rina Sahay
Autodesk Expert Elite
Revit Architecture Certified Professional
If you find my post interesting, feel free to give a Kudo.
If it solves your problem, please click Accept to enhance the Forum.