Tree preservation zone

There is a problem

564 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 03/01229/C
name: Land between Stoneswood Mill and Bacup Road, Todmorden.
tree-preservation-order: undefined
03/01229/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.119870 53.706294,-2.119893 53.706262,-2.120431 53.706339,-2.120593 53.706351,-2.121055 53.706332,-2.121052 53.706330,-2.120922 53.706325,-2.120576 53.706305,-2.120535 53.706303,-2.120503 53.706304,-2.120196 53.706259,-2.120040 53.706233,-2.119725 53.706210,-2.119685 53.706205,-2.119637 53.706202,-2.119541 53.706179,-2.119526 53.706174,-2.119504 53.706209,-2.119644 53.706239,-2.119787 53.706276,-2.119870 53.706294)),((-2.121199 53.706360,-2.121199 53.706362,-2.121203 53.706366,-2.121212 53.706369,-2.121222 53.706368,-2.121226 53.706366,-2.121230 53.706360,-2.121228 53.706355,-2.121220 53.706351,-2.121209 53.706351,-2.121201 53.706355,-2.121199 53.706360)),((-2.121154 53.706351,-2.121157 53.706357,-2.121166 53.706360,-2.121177 53.706359,-2.121181 53.706357,-2.121184 53.706353,-2.121184 53.706349,-2.121181 53.706345,-2.121172 53.706342,-2.121161 53.706343,-2.121156 53.706346,-2.121154 53.706351)))
point: POINT (-2.120184 53.706279)
notes: Birch, ash, sycamore, willow
entry-date: 2003-11-15
start-date: 2003-11-15
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.