Tree preservation zone

There is a problem

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

reference: 16/GOD G1
name: Parcel No. 119b indicated on the 1/2500 Ordnance Survey Surrey Sheet 42.7 being land fronting the west side of Woodcock Hill Felbridge immediately north of the entrance to Park Farm
tree-preservation-order: undefined
16/GOD
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.046942 51.150560,-0.046812 51.150516,-0.046565 51.150347,-0.045840 51.150003,-0.045454 51.149886,-0.045216 51.149733,-0.045185 51.149726,-0.045169 51.149653,-0.044969 51.149604,-0.044145 51.149279,-0.043526 51.148948,-0.043464 51.149047,-0.043735 51.149179,-0.043929 51.149313,-0.044849 51.149771,-0.044993 51.149812,-0.045637 51.150110,-0.045717 51.150163,-0.046810 51.150618,-0.046854 51.150657,-0.047151 51.150760,-0.047392 51.150888,-0.047436 51.150861,-0.047360 51.150797,-0.046942 51.150560)))
point: POINT (-0.045381 51.149901)
notes
organisation
entry-date: 1953-02-27
start-date: 1953-02-27
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.