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: PRFV7IES07Q00
name: South Bucks District Council Tree preservation Order (No. 02) 2017; Dated 13/9/17.
tree-preservation-order: undefined
TPO/SBDC/2017/02
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.610125 51.568411,-0.610306 51.568513,-0.610699 51.568789,-0.611055 51.568995,-0.611046 51.569007,-0.612246 51.568833,-0.612275 51.568645,-0.612369 51.568403,-0.612717 51.568429,-0.612732 51.568326,-0.611844 51.568251,-0.611855 51.568116,-0.611999 51.567460,-0.612368 51.567473,-0.612857 51.567507,-0.612865 51.567439,-0.612856 51.567436,-0.612863 51.567401,-0.612872 51.567397,-0.612886 51.567301,-0.611982 51.567259,-0.612065 51.566429,-0.612078 51.566008,-0.612937 51.566072,-0.612945 51.566004,-0.612851 51.565981,-0.612073 51.565923,-0.612114 51.565646,-0.612072 51.565642,-0.612165 51.565346,-0.609001 51.564943,-0.608902 51.565791,-0.608845 51.566166,-0.608775 51.566751,-0.608770 51.567053,-0.608700 51.567438,-0.608848 51.567577,-0.608935 51.567648,-0.609468 51.567980,-0.609940 51.568313,-0.610125 51.568411)))
point: POINT (-0.610592 51.566869)
notes
organisation
entry-date: 2019-05-13
start-date: 2019-05-13
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.