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: 746
name: THE BIRMINGHAM (LAND AT SLADE ROAD/WEEFORD ROAD, ROUGHLEY) TPO 1996
tree-preservation-order: undefined
TPO 746
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.804347 52.588132,-1.804081 52.588296,-1.803648 52.588623,-1.803621 52.588603,-1.803614 52.588607,-1.803336 52.588855,-1.803581 52.588989,-1.803663 52.589046,-1.803722 52.589098,-1.803585 52.589273,-1.803402 52.589446,-1.803092 52.589705,-1.802935 52.589828,-1.802512 52.589650,-1.802454 52.589710,-1.802391 52.589822,-1.802290 52.590190,-1.802274 52.590348,-1.802280 52.590442,-1.802306 52.590556,-1.802451 52.591002,-1.802636 52.591026,-1.802883 52.590976,-1.803383 52.590865,-1.805063 52.590436,-1.804978 52.590320,-1.805026 52.590304,-1.804904 52.590180,-1.804832 52.590123,-1.804697 52.589979,-1.804910 52.589886,-1.805014 52.589853,-1.804785 52.589645,-1.804567 52.589388,-1.804427 52.589243,-1.805582 52.588743,-1.805218 52.588565,-1.805208 52.588567,-1.804347 52.588132)))
point: POINT (-1.803827 52.58973)
notes: The shaded area represents those properties which fall within the outline of a Tree Preservation Order. To precisely identify trees protected by the Order, you can request a copy of the tree preservation order at the following link.
organisation
entry-date: 2025-11-30
start-date
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.