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: 1996/001.A3
name: Walkergate Hospital, Main Site
tree-preservation-order: undefined
1996/001
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.563450 54.989730,-1.563453 54.989713,-1.563515 54.989566,-1.563516 54.989536,-1.563496 54.989509,-1.563432 54.989391,-1.563149 54.988856,-1.563000 54.988566,-1.562813 54.988209,-1.562712 54.988028,-1.562423 54.987482,-1.562261 54.987172,-1.561923 54.986540,-1.561667 54.986384,-1.561518 54.986331,-1.561400 54.986342,-1.561541 54.986621,-1.561703 54.986953,-1.561823 54.987192,-1.562188 54.987819,-1.562284 54.987981,-1.562277 54.988021,-1.562327 54.988099,-1.562393 54.988165,-1.562579 54.988387,-1.562799 54.988637,-1.562862 54.988676,-1.563041 54.988909,-1.563282 54.989370,-1.563419 54.989643,-1.562742 54.989764,-1.562179 54.989868,-1.562053 54.989634,-1.561959 54.989651,-1.562068 54.989871,-1.561863 54.989905,-1.561623 54.989980,-1.561652 54.990007,-1.561878 54.989929,-1.561958 54.989935,-1.562302 54.989938,-1.562779 54.989852,-1.563101 54.989792,-1.563450 54.989730)))
point: POINT (-1.562374 54.987974)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1996-01-01
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.