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: TPO2005_035_G_003
name: G3
tree-preservation-order: undefined
TPO2005_035
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.596893 53.771077,-1.596906 53.771094,-1.596938 53.771101,-1.597057 53.771073,-1.597321 53.771029,-1.597784 53.770969,-1.597973 53.770936,-1.598648 53.770797,-1.598919 53.770720,-1.599165 53.770679,-1.599209 53.770627,-1.599248 53.770541,-1.599262 53.770475,-1.599263 53.770421,-1.599207 53.770383,-1.599177 53.770378,-1.599149 53.770389,-1.599123 53.770426,-1.599110 53.770516,-1.599073 53.770575,-1.598972 53.770647,-1.598892 53.770674,-1.598250 53.770805,-1.598099 53.770844,-1.597903 53.770867,-1.597719 53.770907,-1.597298 53.770976,-1.597100 53.770993,-1.596936 53.771023,-1.596888 53.771042,-1.596893 53.771077)))
point: POINT (-1.598244 53.770806)
notes
entry-date: 2026-02-12
start-date: 2005-05-23
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.