Permissions error? Thumbs.db

[uglygus]

cooper@Lucia ~ % unmix '/mnt/w/Drive4/timelapse 2022/2022-11-16 videonale backyard snow'
unmixing /mnt/w/Drive4/timelapse 2022/2022-11-16 videonale backyard snow ...
Traceback (most recent call last):
File "/home/cooper/.local/bin/unmix", line 8, in
sys.exit(main())
File "/home/cooper/.local/lib/python3.8/site-packages/frameoverframe/cli/unmix__main__.py", line 94, in main
unmix(directory)
File "/home/cooper/.local/lib/python3.8/site-packages/frameoverframe/unmix.py", line 147, in unmix
shutil.rmtree(src_dir)
File "/usr/lib/python3.8/shutil.py", line 718, in rmtree
_rmtree_safe_fd(fd, path, onerror)
File "/usr/lib/python3.8/shutil.py", line 675, in _rmtree_safe_fd
onerror(os.unlink, fullname, sys.exc_info())
File "/usr/lib/python3.8/shutil.py", line 673, in _rmtree_safe_fd
os.unlink(entry.name, dir_fd=topfd)
PermissionError: [Errno 13] Permission denied: 'Thumbs.db'