Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO198.A1
name: No info.
tree-preservation-order: undefined
TPO198
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.891665 53.377203,-2.891857 53.377138,-2.891989 53.377113,-2.892023 53.377104,-2.891919 53.376967,-2.891907 53.376949,-2.891816 53.376834,-2.891718 53.376703,-2.891424 53.376327,-2.891353 53.376232,-2.890777 53.375492,-2.890647 53.375327,-2.890217 53.375399,-2.890200 53.375405,-2.890194 53.375413,-2.890186 53.375417,-2.890165 53.375423,-2.890150 53.375425,-2.890135 53.375424,-2.890126 53.375422,-2.890089 53.375408,-2.889353 53.375538,-2.887894 53.375800,-2.887917 53.375824,-2.888196 53.376092,-2.888423 53.376316,-2.888793 53.376676,-2.888932 53.376809,-2.889156 53.377029,-2.889232 53.377100,-2.889252 53.377121,-2.889546 53.377406,-2.889651 53.377505,-2.889920 53.377769,-2.890194 53.377677,-2.890323 53.377630,-2.891233 53.377340,-2.891340 53.377308,-2.891411 53.377284,-2.891659 53.377207,-2.891665 53.377203)))
point: POINT (-2.890062 53.376475)
notes: The several tree of whatever species situated within area A1 on map.
entry-date: 1987-03-20
start-date: 1987-07-20
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.