Tree preservation zone

There is a problem

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

reference: 7/GOD W2Q6
name: HIGH CHART, LIMPSFIELD
tree-preservation-order: undefined
7/GOD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.048861 51.255409,0.048857 51.255404,0.049340 51.255512,0.049411 51.255573,0.049477 51.255693,0.049588 51.255817,0.049709 51.255970,0.049730 51.256095,0.049758 51.256140,0.049797 51.256344,0.049747 51.256580,0.049694 51.256738,0.049627 51.256859,0.049552 51.256955,0.049336 51.257135,0.049272 51.257224,0.049253 51.257324,0.049199 51.257375,0.049199 51.257558,0.049220 51.257677,0.049245 51.257731,0.049013 51.257800,0.048952 51.257803,0.048913 51.257599,0.048921 51.257444,0.048946 51.257332,0.048990 51.257203,0.049115 51.257036,0.049407 51.256696,0.049475 51.256607,0.049512 51.256501,0.049510 51.256354,0.049430 51.256172,0.049088 51.255559,0.048861 51.255409)))
point: POINT (0.049363 51.256584)
notes
organisation
entry-date: 1951-03-20
start-date: 1951-03-20
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.