E-Invoice Error Reference

1350+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.

Business RulesCountry-SpecificSyntax ErrorsFormat Rules
CountryFranceGermanyItalyNetherlandsBelgiumSpainPoland

1350 errors found · Page 1 of 27

warningPL-R-007POLubl-2.1INPUT

Split payment annotation required

High-value Polish invoices may require split payment notation.

errorBR-FR-01FRApeppol-bis-3INPUT

SIRET number format

French invoices must include SIRET (14 digits) with schemeID="0009" for company identification. SIRET is mandatory for all French business invoices.

errorKSEF-010POLKSeFBLOCKED

KSeF XML schema validation failed

Invoice XML must conform exactly to the FA schema version (FA/1 or FA/2). Even minor deviations cause rejection.

errorBR-03EN 16931AUTO-FIX

Invoice must have an issue date

Every invoice must contain an issue date indicating when the invoice was created.

errorPEPPOL-SDI-01ITAPeppol-SDIBLOCKED

Peppol to SDI conversion error

When Peppol invoices enter Italy via the SDI gateway, they must be converted to FatturaPA format. Conversion issues are common with complex invoices.

errorBR-04EN 16931AUTO-FIX

Missing invoice type code

An Invoice shall have an Invoice type code (BT-3). The most common value is 380 for a standard commercial invoice.

warningPT-R-003PRTubl-2.1BLOCKED

SAF-T compliance recommended

Portuguese invoices should be SAF-T (PT) compliant for reporting.

errorBR-08EN 16931INPUT

Seller must have postal address

An Invoice shall contain the Seller postal address (BG-5). At minimum, the country code is required.

errorBR-12EN 16931BLOCKED

Invoice total with VAT required

The invoice must contain the total amount including VAT (TaxInclusiveAmount).

errorBR-13EN 16931BLOCKED

Invoice total without VAT required

The invoice must state the amount due for payment (PayableAmount).

errorPL-R-003POLubl-2.1BLOCKED

KSeF submission required

Polish invoices must be submitted to KSeF (Krajowy System e-Faktur).

warningKSEF-009POLKSeFBLOCKED

Bank account not on VAT white list

For split payment (podzielona płatność) invoices, the seller bank account must be registered on the VAT white list (biała lista VAT).

errorBR-15EN 16931BLOCKED

Invoice line quantity required

The Amount due for payment (BT-115) is required.. Check the `cbc:PayableAmount` element in your invoice XML.

errorUBL-SR-01ubl-2.1CONFIRM

UBL namespace declaration required

UBL documents must declare correct namespace.

errorPL-R-004POLubl-2.1BLOCKED

KSeF session token invalid

KSeF API requires valid authentication token.

errorBR-17EN 16931INPUT

Invoice line item name required

Each invoice line must have an item name describing what is being invoiced.

errorPL-R-005POLubl-2.1INPUT

Invalid Polish NIP format

Polish NIP must be 10 digits with valid checksum.

errorUBL-CR-077UBL 2.1AUTO-FIX

A UBL invoice should not include the StatementDocumentReference

Your invoice contains StatementDocumentReference which is not allowed in EN16931 invoices. Statement references are not supported.

errorBR-18EN 16931INPUT

Invoice line price required

Each invoice line must have a price amount (item net price).

errorBR-19EN 16931INPUT

The Seller tax representative postal address (BG-12) shall be provided in...

The Seller tax representative postal address (BG-12) shall be provided in the Invoice, if the Seller (BG-4) has a Seller tax representative party (BG-11). This applies to the `cac:PostalAddress` element in the invoice XML.

errorBR-20EN 16931INPUT

The Seller tax representative postal address (BG-12) shall contain a Tax...

The Seller tax representative postal address (BG-12) shall contain a Tax representative country code (BT-69), if the Seller (BG-4) has a Seller tax representative party (BG-11). This applies to the `cac:PostalAddress` element in the invoice XML.

errorUBL-SR-02ubl-2.1CONFIRM

CAC/CBC namespace declarations required

UBL requires Common Aggregate and Basic Component namespaces.

errorCII-SR-02cii-d16bBLOCKED

CII GuidelineSpecifiedDocumentContextParameter required

CII must specify guideline identifier.

warningBR-BE-01BELpeppol-bis-3INPUT

Enterprise Number Recommended

Belgian invoices should include the 10-digit enterprise number (ondernemingsnummer) formatted as 0XXX.XXX.XXX.

errorSDI-00200ITAFatturaPABLOCKED

Duplicate invoice number

Invoice number + year combination must be unique per sender. SDI maintains a registry and rejects duplicates within the same fiscal year.

warningUBL-SR-04ubl-2.1CONFIRM

Empty elements should be removed

UBL elements with no content should be omitted.

errorPL-R-006POLubl-2.1BLOCKED

Currency must be PLN for KSeF

Invoices to Polish KSeF typically require PLN amounts.

errorCII-SR-03cii-d16bBLOCKED

ExchangedDocument element required

CII must have ExchangedDocument with ID and TypeCode.

errorXML-002ubl-2.1BLOCKED

Malformed XML structure

XML document is not well-formed.

errorBR-16EN 16931BLOCKED

Invoice line must have an identifier

Each invoice line must have a unique line identifier (ID).

errorUBL-CR-470UBL 2.1AUTO-FIX

A UBL invoice should not include the PrepaidPayment

Your invoice contains a PrepaidPayment element which is not allowed in EN16931 invoices. This element must be removed.

errorFI-R-001FINpeppol-bis-3INPUT

Finnish Business ID required

Finnish invoices must include Y-tunnus (business ID).

errorXML-004ubl-2.1BLOCKED

Invalid XML characters

Document contains invalid XML characters.

errorUBL-CR-491UBL 2.1AUTO-FIX

A UBL invoice should not include the PricingExchangeRate

Your invoice contains a PricingExchangeRate element which is not allowed in EN16931 invoices. This element must be removed.

warningFI-R-002FINfinvoiceBLOCKED

Finvoice format for Finnish B2B

Finnish domestic B2B may prefer Finvoice format.

errorUBL-SR-05ubl-2.1CONFIRM

ID elements must be unique

ID elements within scope must have unique values.

errorBR-21EN 16931AUTO-FIX

Missing invoice line identifier

Each Invoice line shall have an Invoice line identifier (BT-126). This is a unique sequential number identifying each line item on the invoice.

errorFR-R-007FRAfactur-xBLOCKED

Factur-X XML must be embedded in PDF

Factur-X requires XML to be embedded as PDF attachment.

errorPT-R-001PRTubl-2.1INPUT

Portuguese NIF required

Portuguese invoices must include NIF (Numero de Identificacao Fiscal).

errorUBL-CR-079UBL 2.1AUTO-FIX

A UBL invoice should not include the OriginatorDocumentReference UUID

Your invoice contains OriginatorDocumentReference/UUID which is not allowed in EN16931 invoices.

errorUBL-SR-06ubl-2.1CONFIRM

Invalid date format

UBL dates must use YYYY-MM-DD format.

errorBR-22EN 16931INPUT

Invoice currency code required

The invoice must specify the document currency using ISO 4217 alpha-3 code.

errorIT-R-005ITAubl-2.1INPUT

Invalid PEC email format

Italian PEC email must be valid certified email address.

errorUBL-SR-08ubl-2.1CONFIRM

Quantity missing unit code

Quantity elements must have unitCode attribute.

errorPT-R-002PRTubl-2.1INPUT

AT document codes required

Portuguese invoices need AT (Autoridade Tributaria) document codes.

errorBR-25EN 16931INPUT

Invoice line item name required

Each Invoice line shall contain the Item name (BT-153). This describes the goods or services being invoiced.

errorDK-R-006DNKOIOUBL (Denmark)BLOCKED

For Danish suppliers bank account and registration account is mandatory if...

Danish suppliers using payment means 31 (credit transfer) or 42 (payment to bank account) must provide both bank account number and registration number.

errorPT-R-004PRTubl-2.1BLOCKED

ATCUD validation code required

Portuguese invoices require ATCUD (unique document code).

errorRO-R-001ROUubl-2.1INPUT

Romanian CIF/CUI required

Romanian invoices must include CIF or CUI number.

errorUBL-CR-017UBL 2.1AUTO-FIX

A UBL invoice should not include the OrderReference UUID

Your invoice contains OrderReference/UUID which is not allowed in EN16931 invoices.

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