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: 1975/004.G4
name: Royal Victoria School for the Blind, Benwell
tree-preservation-order: undefined
1975/004
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.668997 54.972529,-1.668985 54.972683,-1.668964 54.972881,-1.669006 54.972894,-1.669061 54.972908,-1.669059 54.972921,-1.669237 54.972969,-1.669537 54.973039,-1.669758 54.973087,-1.669892 54.973113,-1.670161 54.973161,-1.670186 54.973162,-1.670196 54.973155,-1.670198 54.973149,-1.670192 54.973142,-1.670177 54.973135,-1.670053 54.973114,-1.669759 54.973060,-1.669799 54.973002,-1.669712 54.972982,-1.669768 54.972891,-1.669597 54.972865,-1.669458 54.972835,-1.669431 54.972805,-1.669406 54.972790,-1.669339 54.972774,-1.669239 54.972779,-1.669209 54.972785,-1.669179 54.972786,-1.669137 54.972784,-1.669101 54.972777,-1.669074 54.972758,-1.669070 54.972720,-1.669067 54.972662,-1.669067 54.972619,-1.669039 54.972530,-1.669026 54.972519,-1.669013 54.972519,-1.669000 54.972522,-1.668997 54.972529)))
point: POINT (-1.669387 54.972896)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1975-01-01
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.