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: ZZZZZSESRW237
name: South Bucks District Council (No. 13) Tree Preservation Order 1990; dated 8/10/90; made under Sectio
tree-preservation-order: undefined
TPO/SBDC/1990/13
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.587105 51.539177,-0.587156 51.539119,-0.587160 51.539107,-0.587161 51.539096,-0.587158 51.539084,-0.587153 51.539073,-0.587145 51.539063,-0.587134 51.539054,-0.587120 51.539046,-0.587085 51.539032,-0.587063 51.539027,-0.587041 51.539025,-0.587018 51.539025,-0.586995 51.539027,-0.586973 51.539032,-0.586953 51.539039,-0.586919 51.539058,-0.586881 51.539092,-0.586872 51.539105,-0.586867 51.539118,-0.586866 51.539132,-0.586868 51.539145,-0.586874 51.539158,-0.586884 51.539171,-0.586896 51.539182,-0.586912 51.539192,-0.586929 51.539200,-0.586949 51.539206,-0.586970 51.539210,-0.586992 51.539212,-0.587014 51.539211,-0.587035 51.539208,-0.587055 51.539203,-0.587074 51.539196,-0.587091 51.539187,-0.587105 51.539177)))
point: POINT (-0.587012 51.539117)
notes
entry-date: 2017-07-04
start-date: 2017-07-04
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.