That particular error may be fixable, but there will be others: running tests on windows is not supported, only viewing existing data files. You should be able to run tests from inside a WSL environment, though. See https://docs.microsoft.com/en-us/windows/wsl/about -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/tohojo/flent/issues/233#issuecomment-901780482