What is the best way to mount NFS shares?

question

I can browse to the top level just fine. But once I try going into a folder, i get

Could not mount device.
The reported error was:
/mnt/Sas-y data/clientfiles

Could not mount device.
The reported error was:
/mnt/Sas-y data/clientfiles

What is the best way to mount NFS shares? - Bazzite