Tree preservation zone

There is a problem

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

reference: 97/01010/C
name: Rear of 19 Wood end Close, Skircoat.
tree-preservation-order: undefined
97/01010/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.868447 53.702792,-1.868516 53.702807,-1.868604 53.702805,-1.868660 53.702787,-1.868698 53.702755,-1.868757 53.702730,-1.868911 53.702715,-1.869024 53.702753,-1.869104 53.702754,-1.869259 53.702783,-1.869495 53.702787,-1.869692 53.702830,-1.870152 53.702952,-1.870173 53.702966,-1.870193 53.703014,-1.870189 53.703019,-1.870205 53.703027,-1.870289 53.703014,-1.870440 53.703045,-1.870497 53.703042,-1.870521 53.703033,-1.870543 53.703012,-1.870534 53.703003,-1.869674 53.702787,-1.869139 53.702617,-1.868633 53.702484,-1.868447 53.702792)))
point: POINT (-1.869191 53.702731)
notes: Silver birch, wild cherry, hawthorn, holly, sessile oak
entry-date: 1997-06-25
start-date: 1997-06-25
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.