Install libnfsidmap2 by entering the following commands in the terminal:
sudo apt update sudo apt install libnfsidmap2
Description:
NFS idmapping library
libnfsidmap provides functions to map between NFSv4 names (which are of the form user@domain) and local uid's and gid's.
Homepage: http://www.citi.umich.edu/projects/nfsv4/linux/
Version: 0.25-5.1
Section: libs