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Buckinghamshire Council

Tree preservation zone

There is a problem

reference column must have unique entries

entry: undefined

Endpoint URL: https://services7.arcgis.com/uZqSSlRPLgqdItQE/ArcGIS/rest/services/Tree_Preservation_Orders/FeatureServer/0/
Row: 172
reference: 02/1968/WR
Reference must be unique in resource

How to fix this issue

Your dataset is missing the reference column.

The Tree preservation zone guidance explains how to fix the issue:

reference

A reference or ID for each tree preservation zone that is:

unique within your dataset
permanent - it doesn’t change when the dataset is updated If you don’t use a reference already, you will need to create one. This can be a short set of letters or numbers.

Example: TPO1

How to improve Buckinghamshire Council’s data

Fix the errors indicated
Use the check service to make sure the data meets the standard
Publish the updated data on the endpoint URL