You should search Esri Support Home for details related to any Defect which has been published. If you don't find it there, contact Esri Tech Support for an official response, as others will also probably not know about it.
This is what you are looking for:
BUG-000105907: The Apply Edits (Operation) on a feature service err..
Alternate Solution
Specify an empty polygon when the row is being added (Adds operation) in the syntax below: [{ "geometry": { "rings": [], "spatialReference": { "wkid": 102100, "latestWkid": 3857 } }, "attributes": {} }] Then execute the Updates with the ring values.
