Tree preservation zone

There is a problem

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

reference: TPO221.A1
name: No info.
tree-preservation-order: undefined
TPO221
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.891403 53.405736,-2.891791 53.405789,-2.892196 53.405839,-2.892208 53.405844,-2.892347 53.405860,-2.892637 53.405889,-2.893088 53.405912,-2.893864 53.405894,-2.894319 53.405879,-2.894745 53.405867,-2.896007 53.405759,-2.895926 53.405415,-2.895921 53.405387,-2.895412 53.405210,-2.895304 53.405155,-2.894927 53.404974,-2.894853 53.404937,-2.894838 53.404931,-2.894580 53.404804,-2.894312 53.404752,-2.893736 53.404646,-2.893021 53.404510,-2.892955 53.404623,-2.892892 53.404608,-2.892717 53.404572,-2.892240 53.404477,-2.891853 53.404663,-2.891699 53.404739,-2.891542 53.404827,-2.891465 53.404877,-2.891356 53.404954,-2.891308 53.404994,-2.891224 53.405072,-2.891180 53.405118,-2.891151 53.405151,-2.891104 53.405210,-2.891082 53.405241,-2.891046 53.405298,-2.891043 53.405307,-2.891025 53.405340,-2.890999 53.405395,-2.890962 53.405500,-2.890933 53.405614,-2.891017 53.405680,-2.891023 53.405683,-2.891403 53.405736)))
point: POINT (-2.893324 53.405294)
notes: The several tree of whatever species situated within area A1 on map.
entry-date: 1990-02-02
start-date: 1990-04-02
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.