Tree preservation zone

There is a problem

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

reference: 7/1993/TAN A1
name: Nutfield Court Church Hill Nutfield
tree-preservation-order: undefined
7/1993/TAN
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.127449 51.243458,-0.127458 51.243464,-0.127325 51.243196,-0.127241 51.243045,-0.127178 51.242906,-0.126655 51.242914,-0.126629 51.242499,-0.126431 51.242339,-0.126283 51.242365,-0.126200 51.242388,-0.126073 51.242377,-0.125939 51.242346,-0.125815 51.242296,-0.125494 51.242126,-0.125423 51.242060,-0.125396 51.242012,-0.125327 51.241845,-0.125165 51.241713,-0.125141 51.241679,-0.125136 51.241693,-0.125240 51.242024,-0.125325 51.242144,-0.125306 51.242232,-0.125267 51.242255,-0.125267 51.242331,-0.125252 51.242457,-0.125254 51.242554,-0.125280 51.242715,-0.125351 51.242892,-0.125413 51.242887,-0.125451 51.242947,-0.125521 51.243008,-0.125768 51.243139,-0.125970 51.243216,-0.126255 51.243303,-0.126333 51.243321,-0.126379 51.243266,-0.126436 51.243238,-0.126517 51.243217,-0.126615 51.243206,-0.126707 51.243221,-0.126730 51.243234,-0.126733 51.243260,-0.126768 51.243310,-0.126813 51.243353,-0.126868 51.243380,-0.127077 51.243449,-0.127146 51.243480,-0.127449 51.243458)))
point: POINT (-0.126165 51.242795)
notes
organisation
entry-date: 1993-07-08
start-date: 1993-07-08
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.