Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: T2-126-G1
name: The Southampton (Squires Walk) TPO 1986
tree-preservation-order: undefined
T2-126
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.370143 50.888037,-1.370142 50.888034,-1.370136 50.888032,-1.370126 50.888018,-1.370106 50.888002,-1.370074 50.887988,-1.370032 50.887973,-1.370018 50.887965,-1.369999 50.887959,-1.369951 50.887936,-1.369941 50.887933,-1.369938 50.887936,-1.369925 50.887939,-1.369921 50.887943,-1.369914 50.887946,-1.369898 50.887957,-1.369870 50.887972,-1.369835 50.888002,-1.369824 50.888016,-1.369795 50.888027,-1.369797 50.888042,-1.369805 50.888055,-1.369826 50.888071,-1.369864 50.888091,-1.369903 50.888104,-1.369915 50.888112,-1.369935 50.888117,-1.369955 50.888116,-1.369985 50.888105,-1.370013 50.888097,-1.370032 50.888087,-1.370073 50.888069,-1.370101 50.888053,-1.370113 50.888050,-1.370143 50.888037)))
point: POINT (-1.369958 50.888030)
notes
entry-date: 2026-07-28
start-date
end-date

Your data is missing a tree-preservation-order.

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

The reference for the tree preservation order that covers this zone.