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: IATSEJDNBB000
name: Land At Westbury On Trym Cricket Club To The Rear Of Burghill Road And Grasmere Close Passage Road Westbury Bristol BS10 6TN
tree-preservation-order: undefined
487
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.616146 51.498669,-2.616144 51.498686,-2.616149 51.498703,-2.616158 51.498712,-2.616172 51.498714,-2.616217 51.498714,-2.616240 51.498705,-2.616261 51.498692,-2.616264 51.498680,-2.616244 51.498660,-2.616241 51.498653,-2.616243 51.498626,-2.616242 51.498611,-2.616234 51.498583,-2.616217 51.498557,-2.616185 51.498453,-2.616167 51.498438,-2.616146 51.498425,-2.616123 51.498424,-2.615864 51.498506,-2.615857 51.498513,-2.615857 51.498524,-2.615865 51.498533,-2.615875 51.498538,-2.615898 51.498538,-2.615930 51.498541,-2.615971 51.498555,-2.616020 51.498560,-2.616033 51.498563,-2.616061 51.498571,-2.616070 51.498577,-2.616084 51.498581,-2.616107 51.498622,-2.616112 51.498636,-2.616146 51.498669)))
point: POINT (-2.616105 51.498552)
notes: ELM - Ulmus procera,HAWTHORN - Crataegus monogyna,ASH - Fraxinus excelsior
entry-date: 2005-01-24
start-date: 2005-01-24
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.