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: 1/78/40-645
name: 76 Individual, 5 Areas, 8 Groups, 1 Woodland
tree-preservation-order: undefined
1/78/40-645
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.215906 51.818234,0.215916 51.818366,0.215957 51.818408,0.215903 51.818621,0.215898 51.818649,0.215895 51.818686,0.215894 51.818706,0.215897 51.818870,0.215927 51.818994,0.215888 51.819212,0.215810 51.819224,0.215771 51.819226,0.215724 51.819225,0.215278 51.819202,0.214591 51.819164,0.214288 51.819139,0.214138 51.819125,0.213968 51.819105,0.213977 51.819079,0.213990 51.819025,0.213998 51.818944,0.213995 51.818889,0.213985 51.818830,0.213962 51.818763,0.213928 51.818698,0.213831 51.818534,0.213757 51.818423,0.213688 51.818188,0.214408 51.818214,0.214544 51.818190,0.215740 51.818195,0.215769 51.818192,0.215816 51.818181,0.215915 51.818164,0.215929 51.818163,0.215942 51.818166,0.215906 51.818234)))
point: POINT (0.214916 51.818672)
notes
entry-date: 1979-09-11
start-date: 1979-09-11
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.