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_001
name: W1
tree-preservation-order: undefined
TPO1996_007
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.697957 53.815682,-1.698442 53.815565,-1.698270 53.815352,-1.700760 53.814267,-1.700465 53.814161,-1.700119 53.814072,-1.699840 53.814014,-1.699698 53.814006,-1.699345 53.814112,-1.698634 53.814309,-1.698147 53.814369,-1.698169 53.814400,-1.698157 53.814405,-1.698217 53.814482,-1.697994 53.814542,-1.698013 53.814567,-1.697939 53.814585,-1.697943 53.814594,-1.697901 53.814606,-1.697937 53.814650,-1.697820 53.814683,-1.697836 53.814702,-1.697729 53.814735,-1.697618 53.814783,-1.697463 53.814794,-1.697303 53.814738,-1.697154 53.814782,-1.697454 53.815002,-1.697665 53.815199,-1.697763 53.815321,-1.697816 53.815417,-1.697840 53.815520,-1.697857 53.815654,-1.697866 53.815664,-1.697957 53.815682)))
point: POINT (-1.698836 53.81471)
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.