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: T2-041-A1
name: The Southampton (Moorlands Estate) TPO 1967
tree-preservation-order: undefined
T2-041
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.352738 50.922845,-1.352755 50.922853,-1.352810 50.922843,-1.352980 50.922841,-1.353077 50.922831,-1.353145 50.922826,-1.353200 50.922837,-1.353337 50.922800,-1.353464 50.922785,-1.353549 50.922785,-1.353625 50.922783,-1.353651 50.922772,-1.353737 50.922725,-1.353831 50.922682,-1.354005 50.922672,-1.354060 50.922649,-1.354184 50.922577,-1.354321 50.922537,-1.354427 50.922514,-1.354627 50.922459,-1.354683 50.922437,-1.354717 50.922419,-1.354798 50.922350,-1.354744 50.922314,-1.354731 50.922325,-1.354722 50.922346,-1.354679 50.922381,-1.354666 50.922386,-1.354573 50.922415,-1.354428 50.922447,-1.354288 50.922457,-1.354241 50.922475,-1.354156 50.922485,-1.354079 50.922509,-1.353874 50.922558,-1.353764 50.922601,-1.353700 50.922639,-1.353585 50.922673,-1.353525 50.922699,-1.353312 50.922720,-1.353219 50.922724,-1.353181 50.922724,-1.353079 50.922737,-1.352828 50.922773,-1.352756 50.922789,-1.352721 50.922813,-1.352721 50.922826,-1.352738 50.922845)))
point: POINT (-1.353737 50.922649)
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.