Sfdp: missing Parent director leads to a live look

Questions Royal TSX (for macOS)
1
  1. ) If the sfdp client has opened a directory.

2.) a other process deletes this directory and the parent directory. (in the back ground)

Than:

if you now try to navigate in the sfdp client you get a warning with a live look.

You need to restart the client.

I would expect to be able to at least reach the root.