Saving a feature layer when another instance of itself is open in the Map Viewer results in the feature layer being added to the Map Viewer twice in future cases.
Last Published: November 4, 2016ArcGIS Online
Bug ID Number
BUG-000097941
Submitted
July 20, 2016
Last Modified
August 21, 2020
Applies to
ArcGIS Online
Version found
4.2
Version Fixed
4.4
Status
Fixed
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.
Workaround
Adding the service via the layer URL ( /0 ) and not the root allows the layer to be added normally.