Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 1990/004.G4
name: Former Wills Factory
tree-preservation-order: undefined
1990/004
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.562207 54.999186,-1.562344 54.999155,-1.562420 54.999141,-1.562555 54.999124,-1.562878 54.999046,-1.563031 54.999007,-1.563084 54.998995,-1.563147 54.998983,-1.563156 54.998975,-1.563163 54.998956,-1.563161 54.998939,-1.563138 54.998919,-1.563117 54.998917,-1.563061 54.998917,-1.563040 54.998924,-1.563007 54.998941,-1.562826 54.998972,-1.562753 54.998982,-1.562728 54.998982,-1.562670 54.999000,-1.562604 54.999018,-1.562392 54.999064,-1.562326 54.999072,-1.562225 54.999081,-1.562213 54.999084,-1.562193 54.999093,-1.562168 54.999121,-1.562159 54.999140,-1.562162 54.999159,-1.562179 54.999175,-1.562207 54.999186)))
point: POINT (-1.562646 54.999051)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1990-01-01
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.