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: ZZZZZTESRW718
name: South Bucks District Council Tree preservation Order No.32, 2005. Dated 9/09/05. Confirmed 11/11/05.
tree-preservation-order: undefined
TPO/SBDC/2005/32
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.556043 51.569874,-0.556101 51.569790,-0.556102 51.569769,-0.556094 51.569757,-0.556080 51.569751,-0.556063 51.569747,-0.556043 51.569746,-0.556029 51.569748,-0.556021 51.569750,-0.556005 51.569760,-0.555994 51.569772,-0.555962 51.569830,-0.555954 51.569847,-0.555952 51.569858,-0.555953 51.569864,-0.555972 51.569881,-0.555995 51.569887,-0.556022 51.569886,-0.556036 51.569881,-0.556043 51.569874)))
point: POINT (-0.556027 51.569815)
notes
entry-date: 2017-07-04
start-date: 2017-07-04
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.