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: ZZZZDVESXE692
name: The Bucks County Council (Amersham Rural District) Tree Preservation Order No 4 - 1954 Confirmed by
tree-preservation-order: undefined
TPO/1954/004
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.576752 51.633893,-0.576530 51.633811,-0.576098 51.633630,-0.575882 51.634383,-0.575967 51.634396,-0.576514 51.634326,-0.576536 51.634524,-0.576651 51.634606,-0.576776 51.634661,-0.576996 51.634734,-0.577437 51.634827,-0.577593 51.634906,-0.577655 51.634956,-0.578106 51.634956,-0.578500 51.634972,-0.578631 51.634997,-0.578757 51.635038,-0.578856 51.635090,-0.579137 51.634961,-0.579455 51.634837,-0.579511 51.634779,-0.579510 51.634772,-0.579302 51.634694,-0.579001 51.634544,-0.578864 51.634492,-0.578706 51.634456,-0.578562 51.634439,-0.578386 51.634406,-0.578164 51.634351,-0.577003 51.633982,-0.576752 51.633893)))
point: POINT (-0.577532 51.634462)
notes
organisation
entry-date: 2010-02-18
start-date: 2010-02-18
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.