copyparty failed to add the following files to the archive:

 file: 'dpkglock'
error: [PermissionError] [Errno 13] Permission denied: b'varlibdpkglock'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'dpkglock-frontend'
error: [PermissionError] [Errno 13] Permission denied: b'varlibdpkglock-frontend'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'dpkgtriggersLock'
error: [PermissionError] [Errno 13] Permission denied: b'varlibdpkgtriggersLock'
-- util.py:2912 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

NOTE: filepaths sanitized; see serverlog for correct values