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_068_W_001
name: W1
tree-preservation-order: undefined
TPO1994_068
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.623268 53.852607,-1.623245 53.852595,-1.623087 53.852389,-1.623089 53.852345,-1.623076 53.852284,-1.623019 53.852192,-1.622807 53.851800,-1.622744 53.851494,-1.622758 53.851458,-1.622884 53.851312,-1.622864 53.851292,-1.622812 53.851282,-1.622457 53.851504,-1.622412 53.851497,-1.622290 53.851439,-1.622258 53.851458,-1.622473 53.851727,-1.622647 53.851892,-1.622722 53.851977,-1.623065 53.852420,-1.623153 53.852497,-1.623188 53.852570,-1.623251 53.852615,-1.623282 53.852618,-1.623268 53.852607)))
point: POINT (-1.622713 53.851772)
notes
entry-date: 2026-02-12
start-date: 1994-11-04
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.