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: ZZZZZTESRW104
name: South Bucks District Council (No.46) Tree Preservation Order 1995; dated 20/9/95; made under Section
tree-preservation-order: undefined
TPO/SBDC/1995/46
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.623286 51.615290,-0.623310 51.615128,-0.623317 51.614907,-0.623287 51.614791,-0.623271 51.614786,-0.622850 51.614824,-0.622563 51.614841,-0.622215 51.614879,-0.620998 51.614828,-0.620849 51.614819,-0.620587 51.614788,-0.620245 51.614709,-0.619781 51.614659,-0.619247 51.614584,-0.619205 51.614590,-0.619183 51.614602,-0.618963 51.614918,-0.618894 51.615048,-0.618862 51.615182,-0.618877 51.615220,-0.619025 51.615302,-0.619189 51.615359,-0.619474 51.615435,-0.620486 51.615663,-0.620821 51.615761,-0.621201 51.615860,-0.621628 51.616004,-0.622262 51.616188,-0.622374 51.616210,-0.622546 51.616219,-0.622685 51.616251,-0.622675 51.616452,-0.622680 51.616603,-0.622654 51.616813,-0.623143 51.616910,-0.623116 51.616744,-0.623138 51.616689,-0.623142 51.616632,-0.623102 51.616492,-0.623088 51.616354,-0.623170 51.615988,-0.623239 51.615784,-0.623252 51.615561,-0.623286 51.615290)))
point: POINT (-0.621463 51.615411)
notes
organisation
entry-date: 2017-07-04
start-date: 2017-07-04
end-date

Your dataset is missing the tree-preservation-order column.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.