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: 1/78/40-726
name: 76 Individual, 5 Areas, 8 Groups, 1 Woodland
tree-preservation-order: undefined
1/78/40-726
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((0.216178 51.817070,0.216200 51.817093,0.216202 51.817119,0.216210 51.817152,0.216229 51.817222,0.216243 51.817264,0.216265 51.817356,0.216452 51.817737,0.216486 51.817812,0.216545 51.817953,0.216568 51.817995,0.216609 51.818055,0.216648 51.818101,0.216685 51.818131,0.216733 51.818132,0.216815 51.818274,0.216738 51.818428,0.216757 51.818445,0.216699 51.818532,0.216633 51.818649,0.216630 51.818652,0.216621 51.818676,0.216614 51.818697,0.216602 51.818756,0.216613 51.818775,0.216630 51.818792,0.216514 51.818860,0.216493 51.818893,0.216441 51.818967,0.216413 51.819004,0.216374 51.819045,0.216371 51.819046,0.216293 51.819112,0.216281 51.819129,0.216269 51.819150,0.216267 51.819106,0.216268 51.818456,0.216263 51.818278,0.216258 51.818218,0.216250 51.818149,0.216233 51.818044,0.216218 51.817988,0.216137 51.817749,0.215972 51.817447,0.215920 51.817360,0.215877 51.817299,0.215738 51.817124,0.215948 51.817117,0.216131 51.817043,0.216178 51.817070)))
point: POINT (0.216342 51.818046)
notes
entry-date: 1979-09-11
start-date: 1979-09-11
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.