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: T2-104-A2
name: The Southampton (Bassett Green Road) TPO 1981
tree-preservation-order: undefined
T2-104
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.399615 50.949785,-1.399486 50.949720,-1.399114 50.949941,-1.399431 50.950047,-1.399604 50.950112,-1.399705 50.950174,-1.399785 50.950237,-1.399878 50.950307,-1.399945 50.950361,-1.399991 50.950388,-1.400071 50.950428,-1.400114 50.950447,-1.400177 50.950459,-1.400237 50.950462,-1.400296 50.950467,-1.400385 50.950457,-1.400291 50.950132,-1.400254 50.950054,-1.400140 50.950074,-1.400055 50.950134,-1.399960 50.950127,-1.400008 50.950083,-1.400004 50.950020,-1.399972 50.949966,-1.399906 50.949927,-1.399864 50.949888,-1.399747 50.949843,-1.399615 50.949785)))
point: POINT (-1.399820 50.950091)
notes
entry-date: 2026-07-28
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.