What steps will reproduce the issue?
provoking the formatting : using the save trigger for triggering the formatting, shows an error about the empty path of the formatting file even if the formatting file exists

Even using the default formatter shows the same error
What is the expected result?
The formatting to be executed.
What happens instead?
the following:
Сonsider attaching a screenshot, screencast, or a code sample when it's hard to articulate the problem.
Paste information about IDE and OS (it can be copied from Help | About dialog).
macOS

Please use triple backticks ``` before and after the stacktrace block.
thank you