Tableau Prep "Error publishing flow to Tableau Server."

I have a Prep flow which I am editing and attempting to publish to our server, however I the publishing fails with the error "Error publishing flow to Tableau Server." I don't believe the error has anything to do with the edits I've made, as I have also attempted to download the existing flow from the server and re-publish it (with no changes made), and I receive the same error message. In other words, I have previously published this exact Prep flow without issue

, but now it will not publish. It's a rather large prep flow, which is why I prefer to edit it on the desktop application (I am on the latest Prep version, 2026.1.1, Windows). How can I resolve this issue?