copyparty failed to add the following files to the archive:

 file: 'teamspeak/ts6.key'
error: [PermissionError] [Errno 13] Permission denied: b'/home/petar/docker/teamspeak/ts6.key'
-- util.py:3080 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:251 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:289 <gen>: for x in self.ser(f):
