Tree preservation zone

There is a problem

184 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 05/01303/C
name: Lowfields, Elland
tree-preservation-order: undefined
05/01303/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.818271 53.692069,-1.818284 53.692064,-1.818543 53.692271,-1.820751 53.691569,-1.820623 53.691338,-1.819038 53.691538,-1.818617 53.691576,-1.816823 53.691839,-1.816585 53.691884,-1.816668 53.692028,-1.815165 53.692368,-1.815331 53.692424,-1.815884 53.692360,-1.816139 53.692315,-1.816529 53.692260,-1.816893 53.692226,-1.817215 53.692242,-1.817409 53.692184,-1.817815 53.692008,-1.817849 53.692034,-1.818093 53.691925,-1.818271 53.692069)))
point: POINT (-1.81837 53.691867)
notes: Ash, Silver Birch, Hawthorn, Oak, Sycamore, Beech, Lime - Note following removal of trees before order came into force, the boundary has been amended.
entry-date: 2006-01-20
start-date: 2006-01-20
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.