Tree preservation zone

There is a problem

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

reference: TPO313
name: Village and surrounding land
tree-preservation-order: undefined
Saxby all Saints 1954
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.490150 53.632803,-0.490005 53.632828,-0.489985 53.632833,-0.489973 53.632839,-0.489966 53.632847,-0.489955 53.632863,-0.489944 53.632890,-0.489940 53.632901,-0.489941 53.632910,-0.489982 53.632995,-0.489990 53.633007,-0.490037 53.633060,-0.490094 53.633119,-0.490126 53.633149,-0.490200 53.633211,-0.490217 53.633221,-0.490255 53.633236,-0.490279 53.633243,-0.490292 53.633245,-0.490403 53.633250,-0.490422 53.633248,-0.490462 53.633235,-0.490491 53.633218,-0.490504 53.633206,-0.490507 53.633197,-0.490512 53.633189,-0.490514 53.633180,-0.490515 53.633164,-0.490506 53.633115,-0.490499 53.633099,-0.490497 53.633087,-0.490479 53.633047,-0.490467 53.633033,-0.490455 53.633013,-0.490414 53.632960,-0.490321 53.632852,-0.490307 53.632838,-0.490282 53.632822,-0.490246 53.632807,-0.490227 53.632802,-0.490193 53.632801,-0.490150 53.632803)))
point: POINT (-0.490237 53.633022)
notes
entry-date: 1963-06-03
start-date: 1954-06-30
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.