Tree preservation zone

There is a problem

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

reference: 29/TAN W1
name: Land at Limehouse Bottom Ninehams Road Tatsfield
tree-preservation-order: undefined
29/TAN
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.029078 51.295534,0.028981 51.295371,0.028748 51.295056,0.028407 51.294644,0.028216 51.294228,0.028199 51.294020,0.028223 51.293981,0.028226 51.293910,0.028082 51.293640,0.028007 51.293454,0.027983 51.293323,0.027857 51.293097,0.027769 51.292991,0.027284 51.292553,0.027246 51.292514,0.027235 51.292488,0.027215 51.292483,0.026811 51.292118,0.026998 51.292023,0.027193 51.291819,0.027079 51.291687,0.026536 51.291319,0.026687 51.291217,0.026917 51.291263,0.027445 51.291572,0.027967 51.292015,0.028393 51.292442,0.028696 51.292789,0.029244 51.293282,0.029523 51.293636,0.029826 51.294000,0.030119 51.294388,0.030686 51.295039,0.030616 51.295074,0.030296 51.295147,0.029812 51.295297,0.029544 51.295396,0.029078 51.295534)))
point: POINT (0.0287 51.293664)
notes
organisation
entry-date: 1975-07-17
start-date: 1975-07-17
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.