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: TPO1999_043_W_001
name: W1
tree-preservation-order: undefined
TPO1999_043
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.682725 53.790386,-1.681703 53.790712,-1.681643 53.790738,-1.681598 53.790771,-1.681577 53.790802,-1.681571 53.790832,-1.681584 53.791084,-1.681593 53.791116,-1.682107 53.791134,-1.682617 53.791179,-1.683096 53.791263,-1.683439 53.791311,-1.683619 53.791354,-1.683700 53.790879,-1.683723 53.790840,-1.683843 53.790860,-1.684266 53.791012,-1.684456 53.791071,-1.684907 53.791240,-1.685050 53.791073,-1.684794 53.790993,-1.684269 53.790773,-1.684004 53.790688,-1.683954 53.790679,-1.683844 53.790687,-1.683777 53.790703,-1.683724 53.790729,-1.683766 53.790648,-1.683753 53.790559,-1.683577 53.790124,-1.682725 53.790386)))
point: POINT (-1.683047 53.790813)
notes
entry-date: 2026-02-12
start-date: 1999-09-28
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.