Never mind. I now see that it's one massive relation on a global scale. I apologize.

It’s not the size of the territory that is the issue. The problem is creating one massive changeset instead of smaller localized ones. Do local changes, submit the changeset, then move onto another territory.

Please limit your changesets to a smaller region.

Please limit your changesets to a smaller region.

Don't commit large area changesets like this. Limit your changesets to smaller regional areas.

Please limit your changesets to small regional areas. This is too large of a region.