Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: TPO1993_086_W_001
name: W1
tree-preservation-order: undefined
TPO1993_086
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.633012 53.797847,-1.633125 53.797798,-1.633214 53.797777,-1.633315 53.797727,-1.633332 53.797703,-1.633428 53.797658,-1.633466 53.797620,-1.633710 53.797496,-1.633833 53.797458,-1.633853 53.797435,-1.633859 53.797410,-1.633796 53.797372,-1.633740 53.797378,-1.633706 53.797365,-1.633720 53.797300,-1.633762 53.797274,-1.633765 53.797248,-1.633740 53.797214,-1.633715 53.797154,-1.633670 53.797133,-1.633637 53.797132,-1.633593 53.797182,-1.633619 53.797234,-1.633438 53.797423,-1.633398 53.797435,-1.633151 53.797606,-1.633062 53.797657,-1.633006 53.797722,-1.633007 53.797762,-1.632992 53.797784,-1.632960 53.797807,-1.632963 53.797823,-1.633012 53.797847)))
point: POINT (-1.633439 53.797516)
notes
entry-date: 2026-02-12
start-date: 1993-12-20
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.