Tree preservation zone

There is a problem

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

reference: 3340
name
tree-preservation-order: undefined
0045
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.976091 50.845489,-0.976180 50.845418,-0.976232 50.845338,-0.976285 50.845236,-0.976330 50.845181,-0.976296 50.845063,-0.976268 50.845007,-0.976223 50.844727,-0.976139 50.844645,-0.976136 50.844437,-0.976118 50.844238,-0.976122 50.844091,-0.976094 50.844009,-0.976081 50.843978,-0.975814 50.843930,-0.975762 50.843975,-0.975714 50.844184,-0.975758 50.844494,-0.975706 50.844545,-0.975632 50.844610,-0.975573 50.844671,-0.975550 50.844731,-0.975563 50.844788,-0.975613 50.844834,-0.975613 50.844859,-0.975697 50.844956,-0.975745 50.845069,-0.975816 50.845131,-0.975866 50.845197,-0.975894 50.845258,-0.975855 50.845345,-0.975810 50.845410,-0.975801 50.845507,-0.975830 50.845522,-0.975873 50.845528,-0.975902 50.845543,-0.975981 50.845544,-0.976083 50.845504,-0.976091 50.845499,-0.976091 50.845489)))
point: POINT (-0.975956 50.844755)
notes
entry-date: 2026-06-16
start-date
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.