Tree preservation zone

There is a problem

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

reference: IBYHD7DNBB000
name: Clay Bottom Allotments Wainbrook Drive Bristol
tree-preservation-order: undefined
276
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.548878 51.469771,-2.548496 51.469858,-2.548441 51.469876,-2.548424 51.469884,-2.548333 51.469907,-2.548261 51.469933,-2.548215 51.469947,-2.548180 51.469965,-2.548083 51.470009,-2.548046 51.470034,-2.548012 51.470060,-2.547969 51.470098,-2.547901 51.470162,-2.547869 51.470195,-2.547840 51.470221,-2.547827 51.470237,-2.547821 51.470249,-2.547813 51.470258,-2.547805 51.470272,-2.547803 51.470279,-2.547803 51.470291,-2.547807 51.470298,-2.547802 51.470315,-2.547797 51.470322,-2.547795 51.470330,-2.547811 51.470356,-2.547811 51.470410,-2.547890 51.470407,-2.547891 51.470330,-2.547905 51.470289,-2.547925 51.470257,-2.547979 51.470192,-2.548077 51.470106,-2.548235 51.470009,-2.548446 51.469919,-2.548573 51.469874,-2.548688 51.469845,-2.548760 51.469831,-2.548774 51.469825,-2.548835 51.469812,-2.548887 51.469798,-2.548878 51.469771)))
point: POINT (-2.548167 51.470068)
notes: HAWTHORN,ELM
entry-date: 2005-02-15
start-date: 2005-02-15
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.