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: ZZZZZSESRW747
name: South Bucks District Council (No. 33) Tree Preservation Order 1999; dated 19/5/99; made under Sectio
tree-preservation-order: undefined
TPO/SBDC/1999/33
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.647572 51.618692,-0.647638 51.618618,-0.647636 51.618582,-0.647606 51.618531,-0.647580 51.618508,-0.647550 51.618492,-0.647487 51.618480,-0.647451 51.618482,-0.647411 51.618495,-0.647377 51.618540,-0.647342 51.618553,-0.647294 51.618550,-0.647245 51.618520,-0.647182 51.618522,-0.647162 51.618560,-0.647110 51.618587,-0.647070 51.618597,-0.646997 51.618595,-0.646950 51.618606,-0.646914 51.618628,-0.646816 51.618653,-0.646792 51.618669,-0.646787 51.618684,-0.646796 51.618706,-0.646815 51.618714,-0.646893 51.618713,-0.646923 51.618720,-0.646974 51.618772,-0.647027 51.618793,-0.647124 51.618784,-0.647177 51.618789,-0.647279 51.618768,-0.647380 51.618786,-0.647446 51.618781,-0.647524 51.618751,-0.647572 51.618692)))
point: POINT (-0.647267 51.618654)
notes
organisation
entry-date: 2017-07-04
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.