Tree preservation zone

There is a problem

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

reference: 2/GOD W4
name: Land at Merle Common and Staffhurst Wood etc
tree-preservation-order: undefined
2/GOD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.012176 51.221844,0.013062 51.220470,0.012513 51.220354,0.012304 51.220305,0.012086 51.220243,0.012059 51.220257,0.011783 51.220176,0.011573 51.220095,0.011466 51.220017,0.011397 51.219912,0.011589 51.219747,0.011950 51.219481,0.012144 51.219348,0.012652 51.218961,0.012759 51.218751,0.013086 51.218910,0.013621 51.219128,0.014038 51.219432,0.014836 51.219743,0.015961 51.220471,0.015986 51.220665,0.016078 51.220922,0.016093 51.221264,0.016024 51.221595,0.015896 51.221813,0.015487 51.222003,0.015390 51.222070,0.015184 51.222127,0.015099 51.222138,0.014968 51.222137,0.014342 51.221947,0.013898 51.221685,0.013768 51.221882,0.013490 51.221978,0.013417 51.221985,0.013109 51.222051,0.012860 51.222147,0.012473 51.221967,0.012413 51.221959,0.012222 51.221902,0.012176 51.221844)))
point: POINT (0.013905 51.220643)
notes
organisation
entry-date: 1950-06-02
start-date: 1950-06-02
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.