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: tpo135
name: West Cowick No. 1 - 1975
tree-preservation-order: undefined
36
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.014651 53.676256,-1.014868 53.676318,-1.015124 53.676423,-1.015535 53.676664,-1.015891 53.676841,-1.016073 53.676892,-1.016215 53.676996,-1.016407 53.677110,-1.016918 53.677371,-1.017244 53.677415,-1.017618 53.677452,-1.018178 53.676961,-1.018171 53.676864,-1.018035 53.676843,-1.017852 53.676782,-1.017408 53.677232,-1.017174 53.677263,-1.017019 53.677225,-1.016829 53.677155,-1.016409 53.676915,-1.015941 53.676661,-1.015262 53.676316,-1.013655 53.675675,-1.012927 53.675347,-1.010774 53.674276,-1.009577 53.673700,-1.009071 53.673466,-1.008590 53.673254,-1.008128 53.673063,-1.007665 53.672886,-1.007558 53.673009,-1.008081 53.673203,-1.008639 53.673439,-1.009781 53.673967,-1.010114 53.674138,-1.010463 53.674294,-1.010908 53.674506,-1.011277 53.674701,-1.011778 53.674929,-1.012056 53.675078,-1.012371 53.675262,-1.012744 53.675446,-1.013368 53.675730,-1.013632 53.675831,-1.014651 53.676256)))
point: POINT (-1.013284 53.675475)
notes
entry-date: 1975-08-11
start-date: 1975-08-11
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.