Tree preservation zone

There is a problem

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

reference: 8/GOD W2
name: On the north side of Rabies (or Rabbits) Heath Road and on the west side of Tilburstowhill Road in the parishes of Bletchingley and Godstone
tree-preservation-order: undefined
8/GOD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.068601 51.238018,-0.069392 51.238343,-0.070130 51.238173,-0.070284 51.237967,-0.070300 51.237603,-0.070670 51.237505,-0.071147 51.237435,-0.071265 51.237254,-0.071239 51.236993,-0.071681 51.236896,-0.071685 51.236818,-0.071769 51.236559,-0.071922 51.236379,-0.071966 51.236198,-0.072882 51.236161,-0.073440 51.235910,-0.073995 51.235736,-0.074378 51.235589,-0.073900 51.235396,-0.073867 51.235318,-0.073871 51.235214,-0.074445 51.235123,-0.074486 51.235256,-0.074747 51.235130,-0.075020 51.234842,-0.074978 51.234637,-0.074894 51.234345,-0.073150 51.234108,-0.072350 51.234017,-0.071293 51.233947,-0.070234 51.233930,-0.069502 51.233970,-0.067765 51.234436,-0.066618 51.234756,-0.065106 51.235095,-0.063484 51.235433,-0.063349 51.235950,-0.063815 51.236610,-0.063931 51.236978,-0.065912 51.236801,-0.067038 51.236950,-0.068096 51.236994,-0.068277 51.237023,-0.068383 51.237128,-0.068566 51.237106,-0.068574 51.237782,-0.068601 51.238018)))
point: POINT (-0.069255 51.235723)
notes
organisation
entry-date: 1951-04-20
start-date: 1951-04-20
end-date

Your dataset is missing the tree-preservation-order column.

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

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