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: TPO1994_076_G_001
name: G1
tree-preservation-order: undefined
TPO1994_076
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.606094 53.799120,-1.606318 53.799101,-1.606362 53.799144,-1.606381 53.799149,-1.606422 53.799137,-1.606436 53.799119,-1.606412 53.799077,-1.606368 53.799055,-1.606125 53.799069,-1.606118 53.799012,-1.606148 53.798917,-1.606162 53.798828,-1.606159 53.798775,-1.606109 53.798663,-1.606049 53.798605,-1.606007 53.798580,-1.605900 53.798458,-1.605890 53.798436,-1.605900 53.798369,-1.605934 53.798288,-1.605875 53.798269,-1.605855 53.798280,-1.605803 53.798352,-1.605792 53.798399,-1.605794 53.798444,-1.605811 53.798483,-1.605849 53.798535,-1.605991 53.798675,-1.606049 53.798749,-1.606068 53.798828,-1.606033 53.798997,-1.606027 53.799062,-1.606045 53.799099,-1.606076 53.799118,-1.606094 53.799120)))
point: POINT (-1.606047 53.798751)
notes
entry-date: 2026-02-12
start-date: 1994-12-29
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.