copyparty failed to add the following files to the archive:

 file: 'rpcuse-gss-proxy'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcuse-gss-proxy'
-- 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: 'rpcauth.rpcsec.contextchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.rpcsec.contextchannel'
-- 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: 'rpcauth.rpcsec.contextflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.rpcsec.contextflush'
-- 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: 'rpcauth.rpcsec.initchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.rpcsec.initchannel'
-- 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: 'rpcauth.rpcsec.initflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.rpcsec.initflush'
-- 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: 'rpcauth.unix.gidchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.gidchannel'
-- 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: 'rpcauth.unix.gidcontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.gidcontent'
-- 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: 'rpcauth.unix.gidflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.gidflush'
-- 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: 'rpcauth.unix.ipchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.ipchannel'
-- 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: 'rpcauth.unix.ipcontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.ipcontent'
-- 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: 'rpcauth.unix.ipflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcauth.unix.ipflush'
-- 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: 'rpcnfs4.idtonamechannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.idtonamechannel'
-- 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: 'rpcnfs4.idtonamecontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.idtonamecontent'
-- 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: 'rpcnfs4.idtonameflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.idtonameflush'
-- 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: 'rpcnfs4.nametoidchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.nametoidchannel'
-- 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: 'rpcnfs4.nametoidcontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.nametoidcontent'
-- 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: 'rpcnfs4.nametoidflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfs4.nametoidflush'
-- 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: 'rpcnfsd.exportchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.exportchannel'
-- 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: 'rpcnfsd.exportcontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.exportcontent'
-- 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: 'rpcnfsd.exportflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.exportflush'
-- 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: 'rpcnfsd.fhchannel'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.fhchannel'
-- 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: 'rpcnfsd.fhcontent'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.fhcontent'
-- 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: 'rpcnfsd.fhflush'
error: [PermissionError] [Errno 13] Permission denied: b'proc538netrpcnfsd.fhflush'
-- 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