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: T2-045-A3
name: The Southampton (Mons Area Thornhill) TPO 1969
tree-preservation-order: undefined
T2-045
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.340416 50.915495,-1.340487 50.915475,-1.340587 50.915452,-1.340667 50.915425,-1.340687 50.915396,-1.340673 50.915360,-1.340636 50.915333,-1.340589 50.915317,-1.340518 50.915309,-1.340478 50.915295,-1.340429 50.915252,-1.340429 50.915263,-1.340377 50.915254,-1.340364 50.915209,-1.340304 50.915095,-1.340257 50.915059,-1.340083 50.914895,-1.340016 50.914880,-1.339899 50.914899,-1.339831 50.914922,-1.339817 50.914959,-1.339762 50.914976,-1.339726 50.914989,-1.339733 50.915013,-1.339715 50.915022,-1.339715 50.915029,-1.339687 50.915035,-1.339677 50.915048,-1.339662 50.915049,-1.339652 50.915065,-1.339669 50.915100,-1.339668 50.915153,-1.339679 50.915276,-1.339672 50.915374,-1.339624 50.915410,-1.339170 50.915393,-1.339129 50.915397,-1.339142 50.915451,-1.339199 50.915504,-1.339249 50.915526,-1.339675 50.915524,-1.339755 50.915510,-1.339869 50.915501,-1.340303 50.915504,-1.340416 50.915495)))
point: POINT (-1.339978 50.915278)
notes
entry-date: 2026-07-28
start-date
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.