Tree preservation zone

There is a problem

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

reference: TPO170.A1
name: No info.
tree-preservation-order: undefined
TPO170
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.919890 53.420874,-2.919675 53.420931,-2.919548 53.420963,-2.919626 53.421072,-2.919708 53.421051,-2.919704 53.421046,-2.919830 53.421013,-2.919852 53.421013,-2.920008 53.420974,-2.920111 53.420950,-2.920163 53.421019,-2.920183 53.421022,-2.920220 53.421033,-2.920241 53.421043,-2.920248 53.421049,-2.920346 53.421023,-2.920364 53.421015,-2.920466 53.420988,-2.920483 53.420984,-2.920487 53.420987,-2.920565 53.420968,-2.920722 53.421185,-2.921182 53.421059,-2.921272 53.421032,-2.921585 53.420944,-2.922436 53.420707,-2.922672 53.420643,-2.923484 53.420416,-2.923180 53.420016,-2.923111 53.419944,-2.922963 53.419976,-2.922824 53.419820,-2.922669 53.419650,-2.921763 53.419901,-2.921213 53.420058,-2.921151 53.419975,-2.921136 53.419957,-2.921000 53.419990,-2.921002 53.419993,-2.920687 53.420067,-2.920682 53.420061,-2.920527 53.420102,-2.920393 53.420132,-2.920122 53.420201,-2.920243 53.420370,-2.919991 53.420437,-2.920025 53.420482,-2.919786 53.420540,-2.919886 53.420678,-2.919954 53.420768,-2.920024 53.420841,-2.919890 53.420874)))
point: POINT (-2.921555 53.420431)
notes: The several tree of whatever species situated within area A1 on map.
entry-date: 1977-11-18
start-date: 1978-04-24
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.