[Plugin: WP Multi Network] Support for a network with containing a path?

I’m trying to create a network which contains a path in its url, which seems to work, but I can’t seem to create sites/blogs underneath it.

For example, I create a network with the domain of https://blah.local and the path of /blogs. So that the url to it would be https://blah.local/blogs and sites underneath it would be https://blah.local/blogs/this-is-a-blog-name.

I’m able to create the network and blogs underneath it in the WP Admin. But I get a 404 (page not found) when trying to view the sites in that network. The network itself loads (https://blah.local/) but not the individual blogs (https://blah.local/blogs/this-is-a-blog-name). I can’t even get to the WP Admin for the individual blogs in this network.

Any ideas please?