Error while loading the merge request from fork

When pressing the Web IDE button in the MR widget, for a MR from a fork, I am getting the following error. The MR has "Allows edits from maintainers" set.

Error while loading the merge request. Please try again.

Relevant network requests

^ The URLs seem wrong as the branch is on a fork, not in the main repo -> https://gitlab.com/TallTed/webapp/tree/patch-1


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Edited by Eric Eastwood