Tree preservation zone

There is a problem

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

reference: IATV1KDNBB000
name: Land At Royate Hill Fishponds Bristol Modern PC Is BS5 6LG
tree-preservation-order: undefined
482
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.551494 51.470871,-2.551424 51.470838,-2.551259 51.470779,-2.551195 51.470770,-2.551088 51.470738,-2.550976 51.470723,-2.550935 51.470734,-2.550924 51.470750,-2.550928 51.470761,-2.550978 51.470789,-2.551037 51.470780,-2.551053 51.470787,-2.551064 51.470800,-2.551049 51.470813,-2.551051 51.470830,-2.551075 51.470844,-2.551116 51.470840,-2.551127 51.470833,-2.551132 51.470809,-2.551161 51.470807,-2.551180 51.470824,-2.551233 51.470828,-2.551279 51.470851,-2.551303 51.470851,-2.551306 51.470862,-2.551351 51.470874,-2.551383 51.470904,-2.551411 51.470940,-2.551450 51.471017,-2.551507 51.471031,-2.551532 51.471028,-2.551551 51.471011,-2.551550 51.471002,-2.551571 51.470996,-2.551577 51.470980,-2.551620 51.470963,-2.551623 51.470946,-2.551605 51.470929,-2.551494 51.470871)))
point: POINT (-2.551318 51.470863)
notes: HAWTHORN - Crataegus monogyna, SYCAMORE - Acer pseudoplatanus,ELDER - Sambucus nigra,
organisation
entry-date: 2005-01-24
start-date: 2005-01-24
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.