Tree preservation zone

There is a problem

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

reference: IAX01HDNBB000
name: Land At Royate Hill Fishponds Bristol Modern PC Is BS5 6LG
tree-preservation-order: undefined
482
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.549290 51.470452,-2.549238 51.470449,-2.549231 51.470444,-2.549225 51.470436,-2.549218 51.470433,-2.549222 51.470416,-2.549208 51.470407,-2.549203 51.470398,-2.549172 51.470396,-2.549164 51.470401,-2.549153 51.470404,-2.549136 51.470406,-2.549133 51.470400,-2.549117 51.470396,-2.549088 51.470408,-2.549076 51.470405,-2.549068 51.470407,-2.549036 51.470404,-2.549022 51.470405,-2.549007 51.470411,-2.549007 51.470420,-2.549016 51.470428,-2.549014 51.470438,-2.549023 51.470445,-2.549052 51.470450,-2.549060 51.470448,-2.549064 51.470443,-2.549090 51.470450,-2.549102 51.470450,-2.549115 51.470447,-2.549129 51.470451,-2.549139 51.470457,-2.549151 51.470459,-2.549166 51.470452,-2.549188 51.470459,-2.549201 51.470461,-2.549209 51.470467,-2.549257 51.470473,-2.549271 51.470479,-2.549299 51.470475,-2.549314 51.470471,-2.549318 51.470466,-2.549315 51.470461,-2.549308 51.470455,-2.549290 51.470452)))
point: POINT (-2.54915 51.470434)
notes: HAWTHORN - Crataegus monogyna
entry-date: 2005-01-26
start-date: 2005-01-26
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.