Tree preservation zone

There is a problem

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

reference: TPO-081-W1
name: Landscaped former quarry site at Slack Hall Quarry, Chapel-en-le-Frith
tree-preservation-order: undefined
TPO-081-W1
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.879507 53.337603,-1.879490 53.337526,-1.879472 53.337387,-1.879476 53.337380,-1.879460 53.337220,-1.878685 53.337054,-1.878657 53.337046,-1.878370 53.336874,-1.878148 53.336799,-1.878130 53.336796,-1.877786 53.336772,-1.877266 53.336733,-1.877110 53.336683,-1.877008 53.336646,-1.876972 53.336736,-1.876941 53.336794,-1.876894 53.336897,-1.876839 53.337000,-1.876827 53.337017,-1.876991 53.337064,-1.877091 53.337096,-1.877111 53.337100,-1.877204 53.337125,-1.877249 53.337141,-1.877298 53.337156,-1.877330 53.337167,-1.877742 53.337327,-1.877772 53.337337,-1.877897 53.337385,-1.877997 53.337419,-1.878075 53.337439,-1.878138 53.337459,-1.878185 53.337467,-1.878291 53.337494,-1.878421 53.337515,-1.878750 53.337561,-1.878978 53.337579,-1.879129 53.337594,-1.879297 53.337602,-1.879408 53.337605,-1.879470 53.337605,-1.879507 53.337603)))
point: POINT (-1.878194 53.337156)
notes
entry-date: 2026-07-22
start-date
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.