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: TPO1996_007_W_006
name: W6
tree-preservation-order: undefined
TPO1996_007
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.703937 53.812864,-1.703888 53.812972,-1.703845 53.813013,-1.703380 53.813203,-1.703326 53.813203,-1.703144 53.813167,-1.702972 53.813121,-1.702757 53.813096,-1.702577 53.813111,-1.702388 53.813151,-1.702514 53.813167,-1.703093 53.813322,-1.703388 53.813390,-1.703522 53.813404,-1.703683 53.813385,-1.703875 53.813306,-1.703957 53.813261,-1.704008 53.813198,-1.704022 53.813153,-1.704031 53.813075,-1.704012 53.812998,-1.703937 53.812864)))
point: POINT (-1.703422 53.813206)
notes
entry-date: 2026-02-12
start-date: 1996-02-21
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.