errorEN16931
UBL-SR-44:An Invoice may only have one unique PaymentID, but the PaymentID may be used for multiple PaymentMeans
Your invoice has multiple different PaymentID values across PaymentMeans elements. EN16931 allows only one unique payment reference value, though it can be repeated across multiple payment means.
Why This Error Matters
Invoice will be rejected. Receiving systems expect a single payment reference to reconcile the payment.
Common Causes
- Different payment references assigned to different payment methods
- ERP generates unique PaymentID per PaymentMeans entry
- Multiple payment options each given their own reference
- Data migration did not consolidate payment references
- Manual editing introduced conflicting payment IDs
Frequently Asked Questions
Your invoice has multiple different PaymentID values across PaymentMeans elements. EN16931 allows only one unique payment reference value, though it can be repeated across multiple payment means.
Your invoice has multiple different PaymentID values across PaymentMeans elements. EN16931 allows only one unique payment reference value, though it can be repeated across multiple payment means. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, UBL-SR-44 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of UBL-SR-44 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 16 January 2026
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