Error 400: Placeholder ID must be unique for created elements

Posted by arberia on 6 August 2017 in English (English)

Hello! I'm creating a new town in my country (Illiria) and I'm trying to save the last changes without success. I received this message: Placeholder IDs must be unique for created elements.

Which is exactly the problem and how could I fix it?


Comment from arberia on 7 August 2017 at 18:23

Solved! I had to remove the new changes and make them again saving each 10 changes.

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Comment from zhenkang on 7 August 2017 at 22:31

I'd use JOSM such that there wouldn't be much problems.

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