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: tpo577
name: Raywell No. 1 - 2008
tree-preservation-order: undefined
1145
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.498854 53.765880,-0.498849 53.765832,-0.498625 53.765583,-0.498690 53.765528,-0.498311 53.765035,-0.498207 53.764952,-0.498420 53.764457,-0.498570 53.764306,-0.498761 53.764249,-0.499345 53.764271,-0.499508 53.763937,-0.499651 53.763790,-0.499558 53.763752,-0.498979 53.763424,-0.498224 53.762908,-0.497559 53.762512,-0.497296 53.762372,-0.497048 53.762265,-0.496849 53.762214,-0.496499 53.762157,-0.495966 53.762095,-0.495683 53.762095,-0.495248 53.762145,-0.494995 53.762183,-0.494880 53.762215,-0.494607 53.762309,-0.494057 53.762550,-0.493852 53.762652,-0.491818 53.763597,-0.492172 53.763900,-0.491896 53.764064,-0.492422 53.764477,-0.492281 53.764553,-0.492731 53.764987,-0.492885 53.765079,-0.493175 53.765217,-0.493535 53.765351,-0.493784 53.765425,-0.494060 53.765455,-0.495111 53.765543,-0.496132 53.765652,-0.497649 53.765791,-0.498854 53.765880)))
point: POINT (-0.495739 53.764004)
notes
entry-date: 2008-08-01
start-date: 2008-08-01
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.