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: TPO1993_073_A_001
name: A1
tree-preservation-order: undefined
TPO1993_073
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.613700 53.845911,-1.613539 53.845907,-1.613541 53.845874,-1.613234 53.845866,-1.613233 53.845875,-1.613063 53.845871,-1.613063 53.845860,-1.613012 53.845859,-1.613015 53.845811,-1.612872 53.845806,-1.612885 53.845642,-1.612839 53.845641,-1.612840 53.845592,-1.612848 53.845592,-1.612847 53.845584,-1.612826 53.845561,-1.612381 53.845362,-1.612144 53.845227,-1.612071 53.845198,-1.612010 53.845188,-1.611912 53.845208,-1.611852 53.845234,-1.611791 53.845273,-1.611759 53.845303,-1.611675 53.845421,-1.611626 53.845536,-1.611603 53.845631,-1.611588 53.845768,-1.611591 53.845872,-1.611602 53.845948,-1.611800 53.846919,-1.611841 53.846954,-1.611925 53.846976,-1.612030 53.846972,-1.612183 53.846951,-1.612510 53.846893,-1.612746 53.846842,-1.613015 53.846767,-1.613225 53.846698,-1.613328 53.846633,-1.613412 53.846544,-1.613522 53.846380,-1.613588 53.846249,-1.613412 53.846169,-1.613701 53.846024,-1.613707 53.845911,-1.613700 53.845911)))
point: POINT (-1.612456 53.846142)
notes
entry-date: 2026-02-12
start-date: 1993-11-01
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.