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: tpo163
name: Old Pit Plantation, Cherry Burton - 1973
tree-preservation-order: undefined
102
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.495854 53.863335,-0.496064 53.863318,-0.496573 53.863207,-0.496712 53.863128,-0.496883 53.863003,-0.497027 53.862853,-0.497069 53.862761,-0.497106 53.862720,-0.497157 53.862691,-0.497265 53.862661,-0.497468 53.862643,-0.497227 53.862396,-0.497149 53.862367,-0.497085 53.862359,-0.496924 53.862368,-0.496885 53.862379,-0.496806 53.862427,-0.496671 53.862458,-0.496396 53.862427,-0.496102 53.862462,-0.495941 53.862420,-0.495837 53.862424,-0.495789 53.862444,-0.495755 53.862465,-0.495721 53.862501,-0.495700 53.862544,-0.495702 53.862574,-0.495722 53.862597,-0.495857 53.862669,-0.495872 53.862727,-0.495746 53.863213,-0.495659 53.863327,-0.495666 53.863358,-0.495780 53.863339,-0.495854 53.863335)))
point: POINT (-0.496431 53.862804)
notes
entry-date: 1905-05-26
start-date: 1905-05-26
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.