Error 53: The network path was not found with FSX Windows Share

I've got several FSX shares working already and I'm just looking to add another one and for some reason, no matter what I get the error "Error 53: The network path was not found" when I try to create a new share using fsmgmt.msc. If I browse to the network share from file explorer, I'm able to browse to it and as expected it shows no shares. However, when I try to create a new share and I right click on "shares" I eventually get a dialog with the above error message.

The share is on a private VPC along with all the other shares but anything new I try to create, fails with the above area.