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: ZZZZZTESRW102
name: South Bucks District Council (No.46) Tree Preservation Order 1995; dated 20/9/95; made under Section
tree-preservation-order: undefined
TPO/SBDC/1995/46
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.614494 51.623487,-0.614735 51.623398,-0.614932 51.623286,-0.614992 51.623261,-0.615116 51.623222,-0.615371 51.623174,-0.615522 51.623188,-0.615884 51.623253,-0.616144 51.623290,-0.616427 51.623302,-0.616956 51.623186,-0.617160 51.623151,-0.617113 51.622986,-0.617117 51.622842,-0.617103 51.622785,-0.617076 51.622732,-0.617014 51.622686,-0.616796 51.622583,-0.616707 51.622461,-0.616570 51.622199,-0.616484 51.621958,-0.616448 51.621801,-0.616431 51.621694,-0.616417 51.621490,-0.616052 51.621540,-0.615514 51.621641,-0.615260 51.621698,-0.614708 51.621844,-0.614560 51.621876,-0.614440 51.621841,-0.614414 51.621793,-0.614314 51.621718,-0.614102 51.621843,-0.613971 51.621940,-0.613889 51.622018,-0.613873 51.622054,-0.613895 51.622119,-0.614161 51.622569,-0.614265 51.622773,-0.614365 51.623124,-0.614494 51.623487)))
point: POINT (-0.615496 51.622497)
notes
organisation
entry-date: 2017-07-04
start-date: 2017-07-04
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.