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: ICMGTPDNBB000
name: Glenavon Park Stoke Bishop Bristol Current PC Is BS9 1SG
tree-preservation-order: undefined
058
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.646625 51.477388,-2.646618 51.477374,-2.646609 51.477366,-2.646601 51.477364,-2.646581 51.477346,-2.646543 51.477326,-2.646511 51.477326,-2.646483 51.477306,-2.646469 51.477299,-2.646455 51.477296,-2.646398 51.477293,-2.646373 51.477307,-2.646352 51.477321,-2.646322 51.477332,-2.646294 51.477348,-2.646250 51.477388,-2.646212 51.477408,-2.646194 51.477424,-2.646167 51.477444,-2.646120 51.477485,-2.646094 51.477499,-2.646072 51.477515,-2.646062 51.477528,-2.646072 51.477536,-2.646049 51.477557,-2.646058 51.477566,-2.646055 51.477574,-2.646064 51.477582,-2.646056 51.477602,-2.646062 51.477629,-2.646076 51.477630,-2.646079 51.477642,-2.646095 51.477622,-2.646099 51.477642,-2.646120 51.477643,-2.646161 51.477655,-2.646206 51.477651,-2.646225 51.477644,-2.646237 51.477651,-2.646243 51.477625,-2.646399 51.477525,-2.646522 51.477449,-2.646625 51.477388)))
point: POINT (-2.646315 51.477468)
notes: OAK,CHESTNUT
entry-date: 2005-02-28
start-date: 2005-02-28
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.