i read "Using JOSM to import and upload the new data after reviewing
each administrative level." in your wiki.
Sorry, but that is not enough - to me. Did you ever edit/create boundary
relations before? if not, you should never ever do that right now.
i found a lot of duplicated and technically wrong boundaries in your
country.
i.g. in this area:
https://osm.wno-edv-service.de/images/osm/snaps_2016/boundaries_in_indonesia_mapnik.png
i see overlapping incorrect boundaries:
https://osm.wno-edv-service.de/images/osm/snaps_2016/boundaries_in_indonesia.png
Probably some older imports, which did not respect the existing
boundaries. And believe me, that is not the only one, there are dozends.
And what are you planning to do with the outline of Surabaya? Deleting
those bundaries will damage the areas outside of Surabaya.
regards
walter
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