Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO7358
name: Roadside belt adj Redbourne Park
tree-preservation-order: undefined
Redbourne 1949
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.537737 53.481841,-0.537620 53.481432,-0.537590 53.481334,-0.537520 53.481081,-0.537425 53.480749,-0.537332 53.480437,-0.537306 53.480341,-0.537297 53.480316,-0.537172 53.479896,-0.537165 53.479880,-0.537154 53.479822,-0.537149 53.479804,-0.536901 53.478957,-0.536854 53.478720,-0.536839 53.478621,-0.536789 53.478341,-0.536757 53.478144,-0.536681 53.477718,-0.536627 53.477431,-0.536605 53.477288,-0.536576 53.477158,-0.536431 53.477163,-0.536471 53.477360,-0.536549 53.477797,-0.536650 53.478419,-0.536743 53.478973,-0.536771 53.479125,-0.536843 53.479355,-0.536952 53.479714,-0.537358 53.481128,-0.537574 53.481930,-0.537582 53.481986,-0.537664 53.481912,-0.537737 53.481841)))
point: POINT (-0.537049 53.479637)
notes
entry-date: 1949-09-13
start-date: 1949-05-26
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.