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: ZZZZZUESRW535
name: South Bucks District Council Tree Preservation Order No.14; 2001; dated 14/11/2001. confirmed 11/3/2
tree-preservation-order: undefined
TPO/SBDC/2001/14
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.567981 51.585781,-0.567986 51.585774,-0.567987 51.585766,-0.567985 51.585753,-0.567976 51.585738,-0.567966 51.585727,-0.567946 51.585717,-0.567927 51.585711,-0.567908 51.585709,-0.567887 51.585709,-0.567870 51.585712,-0.567856 51.585718,-0.567842 51.585734,-0.567842 51.585752,-0.567846 51.585763,-0.567853 51.585773,-0.567864 51.585784,-0.567881 51.585793,-0.567907 51.585803,-0.567919 51.585805,-0.567949 51.585802,-0.567973 51.585789,-0.567981 51.585781)))
point: POINT (-0.567914 51.585756)
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.