What to do if Fatal Python error: Py_Initialize: can't initialize sys standard streams LookupError: unknown encoding: windows-31j occurs in PyCharm

What to do if the following error occurs in PyCharm / Python Commynity Edition Plugin

Fatal Python error: Py_Initialize: can't initialize sys standard streams
LookupError: unknown encoding: windows-31j

Process finished with exit code 3

Add the following to bin / pycharm.exe.vmoptions (ʻidea.exe.vmoptions`) in the PyCharm (IDEA) installation directory.

-Dfile.encoding=UTF-8

This is possible.

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