Run in terminal: "Failed to read env file: Invalid argument" error

Turn on "Run in terminal" in the Project's Run Settings.

"qtcreator_process_stub.exe" console window shows error:

"Failed to read env file: Invalid argument
Press <RETURN> to close this window...".

Command line: D:\Qt\qtcreator-4.14.0-beta1\bin\qtcreator_process_stub.exe run \\.\pipe\creator-17068-22245 D:\Project\build\bin\ C:/Temp/QtCreator.nMujYI "D:\Project\build\bin\App.exe --profile --debug" "Press <RETURN> to close this window..."

The "C:\Temp\QtCreator.nMujYI" exists.