Traceback (most recent call last):
File "c:\vnstudio\lib\site-packages\vnstation\cli.py", line 77, in run_trader
main_engine = MainEngine(event_engine)
File "c:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 65, in init
self.init_engines() # Initialize function engines
File "c:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 103, in init_engines
self.add_engine(LogEngine)
File "c:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 71, in add_engine
engine = engine_class(self, self.event_engine)
File "c:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 283, in init
self.add_file_handler()
File "c:\vnstudio\lib\site-packages\vnpy\trader\engine.py", line 313, in add_file_handler
file_path, mode="a", encoding="utf8"
File "c:\vnstudio\lib\logging__init.py", line 1092, in init
StreamHandler.init(self, self._open())
File "c:\vnstudio\lib\logging\init__.py", line 1121, in _open
return open(self.baseFilename, self.mode, encoding=self.encoding)
PermissionError: [Errno 13] Permission denied: 'C:\Users\strategies\.vntrader\log\vt_20200604.log'