Tree preservation zone

There is a problem

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

reference: 95/00924/C
name: Northedge lane, hipperholme
tree-preservation-order: undefined
95/00924/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.806091 53.733125,-1.806056 53.733067,-1.805745 53.733130,-1.805750 53.733137,-1.805795 53.733129,-1.805826 53.733154,-1.805839 53.733160,-1.805900 53.733184,-1.805935 53.733191,-1.805970 53.733194,-1.805992 53.733194,-1.806045 53.733192,-1.806104 53.733186,-1.806235 53.733164,-1.806541 53.733109,-1.806729 53.733052,-1.806767 53.733038,-1.806807 53.733015,-1.806823 53.732999,-1.806827 53.732993,-1.806837 53.732968,-1.806837 53.732960,-1.806830 53.732946,-1.806825 53.732940,-1.806816 53.732941,-1.806795 53.732933,-1.806783 53.732932,-1.806479 53.732997,-1.806507 53.733049,-1.806484 53.733054,-1.806491 53.733066,-1.806441 53.733076,-1.806433 53.733064,-1.806325 53.733086,-1.806136 53.733115,-1.806091 53.733125)))
point: POINT (-1.806345 53.733083)
notes: Sycamore
entry-date: 1995-11-03
start-date: 1995-11-03
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.