Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO320
name: Land off Horsegate Field Road
tree-preservation-order: undefined
Horsegate Field Road, Goxhill 2004
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.327507 53.678462,-0.327240 53.678186,-0.327154 53.678111,-0.327119 53.678127,-0.327036 53.678068,-0.327064 53.678058,-0.326825 53.677881,-0.326814 53.677886,-0.326726 53.677825,-0.326743 53.677815,-0.326706 53.677785,-0.326608 53.677721,-0.326587 53.677733,-0.326481 53.677667,-0.326497 53.677657,-0.326420 53.677611,-0.326191 53.677444,-0.325977 53.677387,-0.325913 53.677362,-0.325538 53.677155,-0.325441 53.677117,-0.325390 53.677100,-0.325240 53.677088,-0.325162 53.677051,-0.325076 53.677024,-0.324951 53.676999,-0.324810 53.676949,-0.324515 53.676818,-0.324337 53.676755,-0.324229 53.676707,-0.324171 53.676664,-0.324156 53.676633,-0.324084 53.676693,-0.325124 53.677111,-0.325450 53.677266,-0.326166 53.677628,-0.326918 53.678092,-0.327039 53.678126,-0.327426 53.678488,-0.327507 53.678462)))
point: POINT (-0.326077 53.677558)
notes
organisation
entry-date: 2004-08-08
start-date: 2004-03-23
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.