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: ZZZZZWESRW342
name: South Bucks District Council (No. 7) Tree Preservation Order 1989; dated 10/8/89; made under Section
tree-preservation-order: undefined
TPO/SBDC/1989/07
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.540372 51.578774,-0.540390 51.578858,-0.540408 51.579856,-0.540423 51.579886,-0.540414 51.579910,-0.540382 51.579944,-0.540404 51.580225,-0.540548 51.580173,-0.541085 51.580014,-0.541234 51.579954,-0.541247 51.579943,-0.541302 51.579818,-0.541422 51.579463,-0.543902 51.579132,-0.543962 51.578872,-0.543983 51.578485,-0.544024 51.578246,-0.544061 51.578151,-0.543601 51.578145,-0.543435 51.578287,-0.542981 51.578329,-0.541310 51.578530,-0.541322 51.578091,-0.539331 51.577892,-0.539301 51.577927,-0.539140 51.577904,-0.539159 51.577867,-0.539009 51.577847,-0.538963 51.577866,-0.538879 51.577948,-0.538740 51.578101,-0.538487 51.578414,-0.538444 51.578442,-0.539334 51.578880,-0.540326 51.578690,-0.540372 51.578774)))
point: POINT (-0.541297 51.578785)
notes
organisation
entry-date: 2020-07-20
start-date: 2017-07-04
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.