Tree preservation zone

There is a problem

124 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 949
name: Trafalgar Place land bounded by Victory Place, Balfour St and Rodney Road SE17 1AS
tree-preservation-order: undefined
679
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.091344 51.492392,-0.091579 51.492694,-0.091669 51.492825,-0.092742 51.492540,-0.093143 51.492437,-0.093161 51.492451,-0.093190 51.492445,-0.093099 51.492311,-0.093078 51.492305,-0.093013 51.492318,-0.092998 51.492309,-0.092989 51.492301,-0.092962 51.492290,-0.092903 51.492259,-0.092865 51.492241,-0.092859 51.492245,-0.092797 51.492218,-0.092378 51.492051,-0.092325 51.492033,-0.092259 51.492013,-0.092179 51.491975,-0.092096 51.491940,-0.092007 51.491905,-0.091989 51.491900,-0.091882 51.491878,-0.091771 51.491862,-0.091715 51.491857,-0.091606 51.491840,-0.091597 51.491830,-0.090688 51.491648,-0.090643 51.491665,-0.090966 51.492034,-0.091059 51.492009,-0.091060 51.492010,-0.091064 51.492018,-0.091079 51.492037,-0.091115 51.492089,-0.091255 51.492276,-0.091324 51.492374,-0.091344 51.492392)))
point: POINT (-0.091884 51.492247)
notes
entry-date: 2022-12-20
start-date: 2022-12-20
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.