Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: 58/C&W A1
name: Chaldons Farm Gangers Hill Woldingham
tree-preservation-order: undefined
58/C&W
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.044886 51.262908,-0.044905 51.262896,-0.044647 51.262967,-0.044516 51.263054,-0.044493 51.263156,-0.044706 51.263719,-0.045054 51.264513,-0.045222 51.265278,-0.044963 51.266215,-0.044674 51.266172,-0.044327 51.266204,-0.044158 51.266232,-0.044037 51.266187,-0.043761 51.266284,-0.043672 51.266339,-0.043578 51.266306,-0.042384 51.265714,-0.041782 51.265455,-0.041480 51.265272,-0.040906 51.265422,-0.040441 51.265059,-0.040251 51.265158,-0.040632 51.265470,-0.040911 51.265741,-0.041246 51.265975,-0.041420 51.266156,-0.041519 51.266296,-0.041629 51.266362,-0.041737 51.266402,-0.041776 51.266340,-0.042093 51.266154,-0.042351 51.266070,-0.043347 51.266582,-0.043585 51.266561,-0.043874 51.266604,-0.044474 51.266626,-0.044544 51.266666,-0.045184 51.266587,-0.045283 51.266398,-0.045291 51.266220,-0.045416 51.265828,-0.045533 51.265639,-0.045674 51.265337,-0.045669 51.265019,-0.045541 51.264610,-0.045373 51.264289,-0.045344 51.264098,-0.045412 51.263781,-0.045276 51.263563,-0.045053 51.263254,-0.044886 51.262908)))
point: POINT (-0.043675 51.265389)
notes
organisation
entry-date: 1970-10-06
start-date: 1970-10-06
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.