Tree preservation zone

There is a problem

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

reference: 6/2008/TAN W1
name: LAND NORTH OF BUG HILL & SOUTH OF ASHWOOD, OVERHILL & TYDCOMBE ROAD, WARLINGHAM
tree-preservation-order: undefined
6/2008/TAN
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.054968 51.301411,-0.055252 51.301276,-0.055455 51.301199,-0.055644 51.301140,-0.056435 51.300859,-0.057055 51.300626,-0.057077 51.300641,-0.057298 51.300599,-0.057372 51.300563,-0.057483 51.300525,-0.058263 51.300278,-0.058242 51.300246,-0.059011 51.299928,-0.059303 51.299819,-0.059591 51.299692,-0.059903 51.299534,-0.059915 51.299449,-0.060013 51.299396,-0.061338 51.298864,-0.061268 51.298795,-0.061652 51.298667,-0.061552 51.298651,-0.061398 51.298643,-0.061232 51.298686,-0.061177 51.298690,-0.061052 51.298731,-0.060714 51.298868,-0.060607 51.298929,-0.060013 51.299182,-0.059775 51.299312,-0.059646 51.299359,-0.059296 51.299541,-0.058175 51.300003,-0.058059 51.300061,-0.058024 51.300111,-0.057933 51.300124,-0.057066 51.300378,-0.056945 51.300445,-0.056384 51.300675,-0.056138 51.300785,-0.056046 51.300807,-0.055624 51.300865,-0.055133 51.301074,-0.055011 51.301152,-0.055295 51.301114,-0.054968 51.301411)))
point: POINT (-0.058301 51.300023)
notes
organisation
entry-date: 2008-02-28
start-date: 2008-02-28
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.