Client uncaught exception

[R_Charger]

The client generates an uncaught exception when clicking on any of the replay links in the coop leaderboards:

Traceback (most recent call last):
File "src\coop\_coopwidget.py", line 91, in finishRequest
File "src\fa\replay.py", line 34, in replay
File "C:\Python36\lib\json\__init__.py", line 354, in loads
File "C:\Python36\lib\json\decoder.py", line 339, in decode
File "C:\Python36\lib\json\decoder.py", line 357, in raw_decode
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

Runtime info:

FAF Username: Reckless_Charger
FAF Version: 0.18.0-rc.5+3039
FAF Environment: production
FAF Directory: C:\ProgramData\FAForever
FA Path: : h:\program files (x86)\steam\SteamApps\common\Supreme Commander Forged Alliance
Platform: Windows-10-10.0.17134
Uname: uname_result(system='Windows', node='DC-PC', release='10', version='10.0.17134', machine='AMD64', processor='Intel64 Family 6 Model 94 Stepping 3, GenuineIntel')

[PhilipJFry]

coop leader boards are broken

[R_Charger]

Yeah thats what I said

[MurderInc]

Traceback (most recent call last):
File "src\downloadManager\__init__.py", line 168, in _finished
PermissionError: [WinError 5] Access is denied: 'C:\\ProgramData\\FAForever\\cache\\map_previews\\scca_coop_r04.v0017.png.part'

Runtime info:

FAF Username: MurderInc
FAF Version: 0.18.0-rc.4+3032
FAF Environment: production
FAF Directory: C:\ProgramData\FAForever
FA Path: : G:/SteamLibrary/steamapps/common/Supreme Commander Forged Alliance
Home Directory: C:/Users/Donni/Documents
Platform: Windows-10-10.0.16299
Uname: uname_result(system='Windows', node='Cerebro', release='10', version='10.0.16299', machine='AMD64', processor='Intel64 Family 6 Model 26 Stepping 5, GenuineIntel')

[Wesmania]

Traceback (most recent call last):
File "src\downloadManager\__init__.py", line 168, in _finished
PermissionError: [WinError 5] Access is denied: 'C:\\ProgramData\\FAForever\\cache\\map_previews\\scca_coop_r04.v0017.png.part'

Runtime info:

FAF Username: MurderInc
FAF Version: 0.18.0-rc.4+3032
FAF Environment: production
FAF Directory: C:\
FA Path: : G:/SteamLibrary/steamapps/common/Supreme Commander Forged Alliance
Home Directory: C:/Users/Donni/Documents
Platform: Windows-10-10.0.16299
Uname: uname_result(system='Windows', node='Cerebro', release='10', version='10.0.16299', machine='AMD64', processor='Intel64 Family 6 Model 26 Stepping 5, GenuineIntel')

Have you been running the client as root or another user? Try recursively setting ownership of C:\ProgramData\FAForever to your current user.