Which enumeration is failing when I see this error?

The error message lists the allowed values. A three-letter list starting with H87, KGM, MTR points to Rec 20 unit codes. A short currency list points to ISO 4217. A tax category list (S, Z, E, AE, K, G, L, M) points to UNTDID 5305 subset.

Can cvc-enumeration-valid be auto-fixed?

For common substitutions (unit code PCS to H87, currency Kr to NOK) Invoice Navigator applies the mapping automatically. For values with no safe mapping the caller must pick a replacement.

Why does my invoice pass in one validator but fail in another?

Different validators run against different code-list revisions. A code valid in Rec 20 Rev 9 may not be in Rev 16. Peppol Access Points use the revision bundled with the current BIS release.

Which EN 16931 fields most commonly hit this error?

cbc:InvoicedQuantity/@unitCode, cbc:DocumentCurrencyCode and cbc:PriceAmount/@currencyID, cac:ClassifiedTaxCategory/cbc:ID, cbc:InvoiceTypeCode, and cbc:PartyIdentification/cbc:ID/@schemeID.

Is this a structural or semantic error?

Structural at the XSD level — the parser rejects the value before Schematron runs. But fixing it is semantic, because you must choose the right code for the actual business meaning. That is why the default fix strategy is input.

Error codes · xsd

cvc-enumeration-validIn your invoicing software

Value is not in the declared enumeration (invalid code list entry)

This is the rejection, word for word: „[cvc-enumeration-valid] cvc-enumeration-valid is an XSD facet-validation error raised when the value of an element or attribute does not appear in the enumeration the schema declares. The canonical message reads: "Value X is not facet-valid with respect to enumeration [A, B, C ...]. It must be a value from the enumeration." In EN 16931 invoices it fires on unit codes, currency codes, document type codes, and tax category codes.“

What to have readyNothing. The file has to be re-exported from your invoicing software; we check it again afterwards.

What we doReplace the invalid value with a valid entry from the relevant code list; Invoice Navigator applies safe mappings (PCS to H87, Kr to NOK, and similar) automatically where they exist.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

If you enter it yourself in your invoicing software

Before

<cbc:InvoicedQuantity unitCode="PCS">10</cbc:InvoicedQuantity>

After

<cbc:InvoicedQuantity unitCode="H87">10</cbc:InvoicedQuantity>

What the finding looks likeExample

FindingStructure invalid · cvc-enumeration-valid

From youA re-exported file

ThenRe-export

ProofSHA-256 and /verify link after the check