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: 799
name: THE BIRMINGHAM (THE PINES, BIRMINGHAM GREAT PARK, RUBERY) TPO 1999
tree-preservation-order: undefined
TPO 799
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.013449 52.401190,-2.014425 52.400883,-2.014814 52.400797,-2.015102 52.400749,-2.015051 52.400284,-2.014886 52.400203,-2.014802 52.400123,-2.014620 52.399478,-2.014543 52.399240,-2.014546 52.399078,-2.014150 52.399072,-2.013792 52.398924,-2.013680 52.399018,-2.013361 52.399219,-2.013295 52.399286,-2.012978 52.399414,-2.012672 52.399693,-2.012958 52.399820,-2.012937 52.399837,-2.013080 52.399899,-2.013021 52.399954,-2.013095 52.399988,-2.012991 52.400082,-2.013229 52.400179,-2.013204 52.400203,-2.013322 52.400691,-2.013316 52.400889,-2.013332 52.401043,-2.013449 52.401190)))
point: POINT (-2.013948 52.400053)
notes: The shaded area represents those properties which fall within the outline of a Tree Preservation Order. To precisely identify trees protected by the Order, you can request a copy of the tree preservation order at the following link.
organisation
entry-date: 2025-11-30
start-date
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.