Here's my solution for this, since the previous method by G Lückz appears to be broken in the latest version of Tabs Outliner: https://gist.github.com/dcower/ebe2fd51a1b31c4b495b782d49fab6b6
Just copy-paste into the console (Ctrl+Shift+J on Windows or Cmd+Opt+J on macOS) and run.
Customer support service by UserEcho
Here's my solution for this, since the previous method by G Lückz appears to be broken in the latest version of Tabs Outliner: https://gist.github.com/dcower/ebe2fd51a1b31c4b495b782d49fab6b6
Just copy-paste into the console (Ctrl+Shift+J on Windows or Cmd+Opt+J on macOS) and run.