Conservation area document

There is a problem

conservation-area column must match the reference field in the conservation area dataset

reference: CA7
conservation-area: undefined
SCC Historic Environment Record
name: Oakmount Triangle
documentation-url: https://www.southampton.gov.uk/conservation-areas/
document-url: https://www.southampton.gov.uk/media/ni3f52xv/otra-character-appraisal-management-plan_tcm63-363345.pdf
document-type: management-plan
notes: Most buildings are covered by an Article 4 Direction. Nos 14, 16, 18 and 34 Blenheim Avenue, Nos 40, 42, 44 and 46 Oakmount Avenue, Nos 5, 6 and 21 Leigh Road and The Willows, Nos 10 and 21 Westbourne Crescent are exempt.
entry-date: 2005-01-01
start-date: 2005-01-01
end-date

Your data is missing a conservation-area.

The Conservation area document guidance explains how to fix the issue:

The reference for the conservation area this document refers to, as used in the conservation area dataset.

Example: CA1