Tree preservation zone

There is a problem

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

reference: 194/TAN A1
name: Land bounded by Racecourse Road Station Road and the railway Lingfield
tree-preservation-order: undefined
194/TAN
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.006686 51.174807,-0.006776 51.174653,-0.006981 51.174483,-0.007083 51.174288,-0.007098 51.174144,-0.007093 51.173472,-0.007254 51.173457,-0.007359 51.173435,-0.007820 51.173601,-0.007871 51.173506,-0.007954 51.173429,-0.007555 51.173266,-0.008108 51.172645,-0.007972 51.172561,-0.007723 51.172432,-0.007685 51.172431,-0.007548 51.172548,-0.007475 51.172511,-0.006980 51.172191,-0.006857 51.172162,-0.006727 51.172143,-0.006621 51.172181,-0.006494 51.172286,-0.006218 51.172392,-0.005868 51.172541,-0.005323 51.172783,-0.005322 51.172795,-0.005358 51.174509,-0.005776 51.174872,-0.006243 51.175304,-0.006624 51.175228,-0.006686 51.174807)))
point: POINT (-0.006444 51.173549)
notes
organisation
entry-date: 1987-07-07
start-date: 1987-07-07
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.