Tree preservation zone

There is a problem

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

reference: TPO-090-G18
name: Smithy Lane/Church Lane Rainow
tree-preservation-order: undefined
TPO-090-G18
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.863690 53.242348,-1.863717 53.242362,-1.863725 53.242368,-1.863746 53.242397,-1.863751 53.242400,-1.863768 53.242402,-1.863787 53.242401,-1.863813 53.242393,-1.863876 53.242366,-1.863964 53.242312,-1.863979 53.242296,-1.863987 53.242276,-1.863987 53.242269,-1.863982 53.242250,-1.863978 53.242241,-1.863973 53.242235,-1.863938 53.242203,-1.863924 53.242183,-1.863923 53.242173,-1.863920 53.242164,-1.863914 53.242156,-1.863883 53.242136,-1.863879 53.242131,-1.863871 53.242126,-1.863864 53.242119,-1.863846 53.242109,-1.863823 53.242105,-1.863812 53.242105,-1.863794 53.242108,-1.863776 53.242113,-1.863733 53.242131,-1.863708 53.242149,-1.863694 53.242162,-1.863687 53.242172,-1.863682 53.242183,-1.863678 53.242198,-1.863680 53.242226,-1.863677 53.242234,-1.863670 53.242245,-1.863655 53.242260,-1.863620 53.242276,-1.863614 53.242281,-1.863611 53.242286,-1.863611 53.242295,-1.863614 53.242302,-1.863619 53.242308,-1.863690 53.242348)))
point: POINT (-1.863805 53.242256)
notes
entry-date: 2026-07-22
start-date
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.