Can’t connect

I’m testing several tools and thought that filepress would be a great asset.
I’ve setup filepress according instructions but get in an error about the ip / address.

Here’s a link to debug file: https://stack.i-am-r.nl/s/p7stLqXZQhv9qQs

Little help would be great.

The page I need help with: [log in to see the link]