E-Invoice Error Reference

1359+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.

Business Rules Country-Specific Syntax Errors Format Rules

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1359 errors found · Page 7 of 28

errorPEPPOL-EN16931-R042EN 16931AUTO-FIX

Discount or surcharge is missing the percentage

When you provide a base amount for a discount or surcharge, you must also provide the percentage. The percentage shows what portion of the base amount the discount or surcharge represents.

errorPEPPOL-EN16931-R002Peppol BIS 3.0AUTO-FIX

No more than one note is allowed on document level, unless both parties are...

Your invoice has multiple document-level notes, but Peppol only allows one. The exception is when both the seller and buyer are German organisations — in that case, multiple notes are permitted.

errorPEPPOL-EN16931-R005Peppol BIS 3.0AUTO-FIX

VAT accounting currency code MUST be different from invoice currency code...

When a VAT accounting currency is provided, it must be different from the invoice currency. If they are the same, the VAT accounting currency field should not be used at all.

warningIN-CUSTOMIZATION-FORMATPeppol BIS 3.0AUTO-FIX

CustomizationID format recommendation

CustomizationID should follow Peppol BIS Billing 3.0 format

errorPEPPOL-EN16931-R007Peppol BIS 3.0AUTO-FIX

Business process identifier has wrong format

The ProfileID in your invoice does not follow the required Peppol format. It must be "urn:fdc:peppol.eu:2017:poacc:billing:01:1.0" for standard billing.

warningIN-MULTIPLE-VAT-CATEGORIESpeppol-bis-3CONFIRM

Multiple VAT categories on invoice

Having multiple VAT categories (S, E, AE, etc.) on the same invoice requires careful validation and handling.

errorPEPPOL-EN16931-R051Peppol BIS 3.0AUTO-FIX

Currency codes are not consistent

All amounts in the invoice must use the same currency, matching the document currency code. For example, if the invoice is in EUR, every amount, tax total, line item, and allowance/charge must also use EUR as the currency code. The only exception is the accounting currency tax amount (BT-111).

errorPEPPOL-EN16931-R121Peppol BIS 3.0AUTO-FIX

Base quantity must be positive

Price base quantity must be > 0.

errorPEPPOL-EN16931-R020Peppol BIS 3.0INPUT

Seller electronic address missing

Your invoice is missing the seller electronic address (EndpointID). This is required for Peppol network routing — without it, the invoice cannot be delivered to the buyer.

warningDE-R-030DEUEN 16931AUTO-FIX

Creditor identifier missing. When direct debit (BG-19) is used, the bank...

Creditor identifier missing. When direct debit (BG-19) is used, the bank assigned creditor identifier (BT-90) is required for SEPA direct debit.

errorBR-CO-11EN 16931BLOCKED

Line amount calculation error

Line net amount must equal quantity × price, adjusted for any line allowances/charges.

errorBR-CO-12EN 16931BLOCKED

Sum of charges on document level (BT-108) = Σ Document level charge amount...

Sum of charges on document level (BT-108) = Σ Document level charge amount (BT-99).. Verify the value in `cbc:Amount` matches the expected calculation.

errorIN-SELLER-ENDPOINT-SCHEMEPeppol BIS 3.0AUTO-FIX

Seller endpoint scheme ID validation

Electronic address schemeID must be from Peppol participant identifier schemes. Invoice Navigator can auto-derive the correct scheme based on country.

errorBR-CO-14EN 16931BLOCKED

Tax subtotal taxable amount mismatch

The taxable amount in each tax subtotal must equal the sum of line amounts with that tax category.

errorIN-BUYER-ENDPOINT-SCHEMEPeppol BIS 3.0AUTO-FIX

Buyer endpoint is missing its scheme identifier

The buyer's electronic address (EndpointID) in your invoice does not have a schemeID attribute. The schemeID tells the Peppol network what type of identifier is being used — for example, whether it is a GLN number, a VAT registration number, or a chamber of commerce number. Without this, the invoice cannot be delivered.

errorUBL-CR-025UBL 2.1AUTO-FIX

A UBL invoice should not include the BillingReference IssueTime

Your invoice contains BillingReference/IssueTime which is not allowed in EN16931 invoices.

errorBR-CO-17EN 16931BLOCKED

A VAT Category Tax Amount (BT-117) doesn't equal the Taxable Amount (BT-116)...

A VAT Category Tax Amount (BT-117) doesn't equal the Taxable Amount (BT-116) multiplied by the Rate (BT-119). The tax calculation is mathematically wrong.

warningPEPPOL-EN16931-R046EN 16931BLOCKED

Item net price MUST equal (Gross price - Allowance amount) when gross price...

When gross price is provided, the net price must equal gross price minus the allowance amount. This validates the price calculation is mathematically correct.

errorPEPPOL-EN16931-R120EN 16931BLOCKED

Line amount does not match calculation

The net amount on one of your invoice lines does not match when we recalculate it from the quantity, price, and any line-level discounts or surcharges. This usually means a rounding error or data entry mistake in your accounting system.

errorBR-AF-07EN 16931BLOCKED

When a document level charge uses the IGIC VAT category, the VAT rate must...

When a document level charge uses the IGIC VAT category, the VAT rate must be 0% or greater.

errorBR-AF-08EN 16931BLOCKED

For each IGIC VAT rate, the taxable amount must equal the sum of line net...

For each IGIC VAT rate, the taxable amount must equal the sum of line net amounts plus charges minus allowances where all use IGIC with that same rate. This is a calculation consistency check.

errorBR-AF-09EN 16931BLOCKED

The VAT category tax amount for IGIC must equal the taxable amount...

The VAT category tax amount for IGIC must equal the taxable amount multiplied by the IGIC rate. This verifies the tax calculation is mathematically correct.

warningIN-TAX-CATEGORY-CODESPeppol BIS 3.0BLOCKED

Tax category codes validation

Tax category codes should be from UNCL5305 Peppol subset (AE, E, G, K, L, M, O, S, Z)

warningUBL-DT-08EN16931BLOCKED

Scheme name attribute should not be present

Your invoice contains the schemeName attribute on an identifier element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-09EN16931BLOCKED

Scheme agency name attribute should not be present

Your invoice contains the schemeAgencyName attribute on an identifier element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-10EN16931BLOCKED

Scheme data uri attribute should not be present

Your invoice contains the schemeDataURI attribute on an identifier element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-11EN16931BLOCKED

Scheme uri attribute should not be present

Your invoice contains the schemeURI attribute on an identifier element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-14EN16931BLOCKED

Unit code list agency identifier attribute should not be present

Your invoice contains the unitCodeListAgencyID attribute on a quantity element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-15EN16931BLOCKED

Unit code list agency name attribute should not be present

Your invoice contains the unitCodeListAgencyName attribute on a quantity element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-16EN16931BLOCKED

List agency name attribute should not be present

Your invoice contains the listAgencyName attribute on a code element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-17EN16931BLOCKED

List name attribute should not be present

Your invoice contains the listName attribute on a code element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-18EN16931BLOCKED

Name attribute should not be present

Your invoice contains the name attribute on an element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-21EN16931BLOCKED

List scheme uri attribute should not be present

Your invoice contains the listSchemeURI attribute on a code element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-22EN16931BLOCKED

Language local identifier attribute should not be present

Your invoice contains the languageLocaleID attribute on a text element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-23EN16931BLOCKED

Uri attribute should not be present

Your invoice contains the uri attribute on an element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-24EN16931BLOCKED

Currency code list version id should not be present

Your invoice contains the currencyCodeListVersionID attribute on a currency code. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-25EN16931BLOCKED

CharacterSetCode attribute should not be present

Your invoice contains the characterSetCode attribute on a binary object element. This attribute is not allowed in EN16931 and must be removed.

warningUBL-DT-28EN16931BLOCKED

List Agency ID attribute should not be present

Your invoice contains the listAgencyID attribute on a code element. This attribute is not allowed in EN16931 and must be removed.

infoIN-UNIT-CODESPeppol BIS 3.0BLOCKED

Unit of measure codes validation

Unit codes should be from UN/ECE Recommendation 20

errorSIZE-001BLOCKED

Invoice file too large to process

Your invoice file exceeds the 10MB size limit and cannot be validated or processed. This usually happens when large attachments (PDFs, images) are embedded directly in the XML file.

errorBR-PL-02POLksefBLOCKED