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: ZZZZZVESRW662
name: South Bucks District Council Tree Preservation Order No. 12; 2003 dated 25/9/2003. Confirmed with mo
tree-preservation-order: undefined
TPO/SBDC/2003/12
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.589626 51.551897,-0.589713 51.551942,-0.589717 51.551952,-0.589710 51.551965,-0.589676 51.551992,-0.589670 51.552006,-0.589672 51.552017,-0.589698 51.552039,-0.589848 51.552060,-0.589909 51.552044,-0.589928 51.552021,-0.589897 51.551956,-0.589944 51.551867,-0.589940 51.551750,-0.589924 51.551677,-0.589914 51.551661,-0.589905 51.551656,-0.589838 51.551664,-0.589814 51.551683,-0.589812 51.551699,-0.589843 51.551786,-0.589851 51.551832,-0.589836 51.551853,-0.589815 51.551865,-0.589764 51.551873,-0.589735 51.551865,-0.589710 51.551852,-0.589656 51.551792,-0.589636 51.551783,-0.589593 51.551791,-0.589521 51.551831,-0.589500 51.551855,-0.589504 51.551872,-0.589523 51.551886,-0.589626 51.551897)))
point: POINT (-0.589784 51.551882)
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.