The link to the 'identifiers' documentation page has a typo, it is:
https://open-fibre-data-standard.readthedocs.io/en/latests/reference/identifiers.html#local-identifiers
it should be
https://open-fibre-data-standard.readthedocs.io/en/latest/reference/identifiers.html#local-identifiers
This is in the Additional Checks - Non-unique identifiers section
"Your data contains non-unique identifiers. For more information, see identifiers."
The link to the 'identifiers' documentation page has a typo, it is:
https://open-fibre-data-standard.readthedocs.io/en/latests/reference/identifiers.html#local-identifiers
it should be
https://open-fibre-data-standard.readthedocs.io/en/latest/reference/identifiers.html#local-identifiers
This is in the Additional Checks - Non-unique identifiers section
"Your data contains non-unique identifiers. For more information, see identifiers."