Tree preservation zone

There is a problem

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

reference: 1970/SCC W3
name: Land at Chalkpit Wood Oxted
tree-preservation-order: undefined
1970/SCC
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.016678 51.266830,-0.016445 51.266879,-0.015926 51.266924,-0.015415 51.266933,-0.014692 51.266826,-0.014287 51.266813,-0.013801 51.266912,-0.013065 51.266893,-0.012574 51.266897,-0.012263 51.266874,-0.010673 51.266490,-0.008804 51.266232,-0.008845 51.266608,-0.008913 51.267424,-0.008944 51.267585,-0.009006 51.267693,-0.009277 51.267757,-0.009606 51.267774,-0.009948 51.267756,-0.010382 51.267752,-0.011914 51.267879,-0.011968 51.267725,-0.012117 51.267781,-0.012340 51.267880,-0.012979 51.267731,-0.013122 51.267685,-0.013340 51.267683,-0.013521 51.267650,-0.013814 51.267644,-0.013900 51.267615,-0.014071 51.267600,-0.014432 51.267541,-0.014653 51.267479,-0.014812 51.267512,-0.015794 51.267517,-0.016380 51.267514,-0.016674 51.267478,-0.016719 51.267110,-0.016678 51.266830)))
point: POINT (-0.012088 51.267181)
notes
organisation
entry-date: 1969-11-03
start-date: 1969-11-03
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.