Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO7354
name: Redbourne Hall
tree-preservation-order: undefined
Redbourne 1949
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.537481 53.482280,-0.537497 53.482411,-0.537530 53.482496,-0.537581 53.482578,-0.537688 53.482693,-0.537829 53.482794,-0.537999 53.482877,-0.538192 53.482941,-0.538473 53.482990,-0.538693 53.482999,-0.538911 53.482983,-0.539121 53.482943,-0.539315 53.482881,-0.539486 53.482799,-0.539629 53.482699,-0.539738 53.482585,-0.539809 53.482461,-0.539835 53.482374,-0.539842 53.482287,-0.539820 53.482156,-0.539757 53.482031,-0.539693 53.481952,-0.539614 53.481878,-0.539468 53.481780,-0.539294 53.481700,-0.539098 53.481640,-0.538887 53.481603,-0.538668 53.481590,-0.538448 53.481602,-0.538237 53.481637,-0.538040 53.481696,-0.537864 53.481775,-0.537716 53.481872,-0.537636 53.481946,-0.537571 53.482024,-0.537506 53.482150,-0.537481 53.482280)))
point: POINT (-0.538662 53.482294)
notes
organisation
entry-date: 1949-09-13
start-date: 1949-05-26
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.