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: ZZZZZVESRW614
name: Eton R.D.C. Tree Preservation Order No.3; 1968; dated 30/4/68 under S.29 of the Town and Country Pla
tree-preservation-order: undefined
TPO/BD/1968/03
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.507479 51.582241,-0.507436 51.582308,-0.507391 51.582354,-0.507157 51.582587,-0.506830 51.582889,-0.506620 51.583118,-0.506415 51.583485,-0.506291 51.583656,-0.505977 51.584044,-0.505724 51.584267,-0.505806 51.584304,-0.505219 51.584730,-0.506651 51.585480,-0.506926 51.585641,-0.507267 51.585817,-0.507364 51.585788,-0.508069 51.585347,-0.508962 51.584835,-0.509103 51.584745,-0.509590 51.584476,-0.509775 51.584349,-0.509841 51.584281,-0.509858 51.584248,-0.509860 51.584211,-0.509292 51.583791,-0.509224 51.583618,-0.509096 51.583416,-0.508988 51.583283,-0.508817 51.583113,-0.508683 51.582944,-0.508645 51.582859,-0.508585 51.582764,-0.508515 51.582678,-0.508384 51.582539,-0.508249 51.582430,-0.508099 51.582327,-0.507449 51.582201,-0.507479 51.582241)))
point: POINT (-0.507584 51.584099)
notes
organisation
entry-date: 2018-11-27
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.