copyparty failed to add the following files to the archive:

 file: 'ShaderCache/data_0'
error: [PermissionError] [Errno 13] Permission denied: b'\\\\?\\share\Users\\Joe\\AppData\\Local\\Packages\\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\\LocalState\\EBWebView\\ShaderCache\\data_0'
-- util.py:2802 <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: 'ShaderCache/data_1'
error: [PermissionError] [Errno 13] Permission denied: b'\\\\?\\share\Users\\Joe\\AppData\\Local\\Packages\\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\\LocalState\\EBWebView\\ShaderCache\\data_1'
-- util.py:2802 <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: 'ShaderCache/data_2'
error: [PermissionError] [Errno 13] Permission denied: b'\\\\?\\share\Users\\Joe\\AppData\\Local\\Packages\\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\\LocalState\\EBWebView\\ShaderCache\\data_2'
-- util.py:2802 <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: 'ShaderCache/data_3'
error: [PermissionError] [Errno 13] Permission denied: b'\\\\?\\share\Users\\Joe\\AppData\\Local\\Packages\\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\\LocalState\\EBWebView\\ShaderCache\\data_3'
-- util.py:2802 <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: 'ShaderCache/index'
error: [PermissionError] [Errno 13] Permission denied: b'\\\\?\\share\Users\\Joe\\AppData\\Local\\Packages\\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\\LocalState\\EBWebView\\ShaderCache\\index'
-- util.py:2802 <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