Tree preservation zone

There is a problem

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

reference: TPO260.B
name
tree-preservation-order: undefined
TPO260
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.892305 53.367312,-2.892303 53.367318,-2.892274 53.367332,-2.892265 53.367331,-2.892125 53.367395,-2.892136 53.367418,-2.892309 53.367440,-2.892463 53.367368,-2.892677 53.367275,-2.892764 53.367255,-2.892854 53.367241,-2.892957 53.367275,-2.893052 53.367313,-2.893415 53.367669,-2.894000 53.368271,-2.894380 53.368688,-2.894558 53.368633,-2.893239 53.367242,-2.893178 53.367178,-2.893177 53.367179,-2.893090 53.367083,-2.892848 53.367055,-2.892305 53.367312)))
point: POINT (-2.893448 53.367714)
notes: The several tree of whatever species situated within area B on map.
entry-date: 1994-06-03
start-date: 1994-08-02
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.