command-not-found has crashed!

[Jonas Andersson]

command-not-found version: 0.3
Python version: 3.8.10 final 0
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
Exception information:

[Errno 13] Permission denied: '/dev/null'
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/CommandNotFound/util.py", line 23, in crash_guard
    callback()
  File "/usr/lib/command-not-found", line 95, in main
    if not cnf.advise(args[0], options.ignore_installed) and not options.no_failure_msg:
  File "/usr/lib/python3/dist-packages/CommandNotFound/CommandNotFound.py", line 364, in advise
    snaps, mispell_snaps = self.get_snaps(command)
  File "/usr/lib/python3/dist-packages/CommandNotFound/CommandNotFound.py", line 106, in get_snaps
    with open(os.devnull) as devnull:
PermissionError: [Errno 13] Permission denied: '/dev/null'