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: 1/84/38-921
name: 28 Individual, 7 Groups
tree-preservation-order: undefined
1/84/38-921
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.242073 52.024242,0.242088 52.024243,0.242107 52.024249,0.242122 52.024259,0.242128 52.024268,0.242130 52.024281,0.242126 52.024290,0.242120 52.024298,0.242110 52.024305,0.242098 52.024310,0.242077 52.024314,0.242048 52.024311,0.242035 52.024306,0.242025 52.024300,0.242015 52.024288,0.242013 52.024283,0.242014 52.024270,0.242023 52.024257,0.242045 52.024246,0.242073 52.024242)),((0.278971 52.019156,0.278985 52.019157,0.279005 52.019163,0.279015 52.019170,0.279023 52.019178,0.279027 52.019186,0.279027 52.019195,0.279026 52.019200,0.279021 52.019208,0.279013 52.019216,0.279002 52.019222,0.278989 52.019226,0.278974 52.019228,0.278946 52.019225,0.278939 52.019223,0.278923 52.019214,0.278915 52.019206,0.278910 52.019193,0.278912 52.019184,0.278917 52.019176,0.278925 52.019168,0.278936 52.019162,0.278949 52.019158,0.278971 52.019156)))
point: POINT (0.260566 52.021729)
notes
entry-date: 1985-01-15
start-date: 1985-01-15
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.