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: 485
name: THE BIRMINGHAM (LAND AT & ADJOINING 2, 4, 6 & 8 MIDLAND DRIVE, 2 HIGH STREET & 1, 3, 5 & 7 COLESHILL STREET, SUTTON COLDFIELD
tree-preservation-order: undefined
TPO 485
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.821298 52.564782,-1.820889 52.564901,-1.820927 52.564963,-1.820738 52.565029,-1.820891 52.565133,-1.820649 52.565279,-1.820993 52.565490,-1.821186 52.565567,-1.821256 52.565583,-1.821441 52.565565,-1.821663 52.565513,-1.821759 52.565487,-1.821853 52.565438,-1.821551 52.565247,-1.821958 52.565028,-1.821521 52.564743,-1.821331 52.564813,-1.821298 52.564782)))
point: POINT (-1.821306 52.565174)
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.