Tree preservation zone

There is a problem

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

reference: 1/C&W W5
name: Old Park Wood Caterham
tree-preservation-order: undefined
1/C&W
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.088005 51.268990,-0.088068 51.269032,-0.087629 51.267846,-0.088015 51.267852,-0.088104 51.267886,-0.088287 51.268121,-0.088503 51.268295,-0.089239 51.268265,-0.089605 51.268162,-0.089633 51.267995,-0.090056 51.267963,-0.090044 51.267784,-0.090086 51.267724,-0.089606 51.267705,-0.089634 51.267441,-0.090005 51.267206,-0.089984 51.267134,-0.090195 51.267139,-0.090309 51.266938,-0.090110 51.266846,-0.090017 51.266312,-0.089893 51.265901,-0.089838 51.265679,-0.089924 51.265341,-0.089841 51.264883,-0.089642 51.264250,-0.089420 51.263790,-0.089110 51.263796,-0.089309 51.263183,-0.088784 51.263307,-0.088300 51.264894,-0.087474 51.264304,-0.086338 51.264135,-0.086377 51.265228,-0.086341 51.266666,-0.085332 51.267994,-0.086352 51.268839,-0.086552 51.268771,-0.086693 51.268757,-0.086827 51.268791,-0.087037 51.268964,-0.087472 51.269359,-0.087799 51.269066,-0.088005 51.268990)))
point: POINT (-0.087959 51.266446)
notes
organisation
entry-date: 1951-06-06
start-date: 1951-06-06
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.