1181
Duplicate FPID
REJSystem
Community Reference: This is an unofficial resource compiled from public banking documentation. Severity and behavior may vary by bank and payment provider. View sources.
The FPS Payment ID (FPID) has already been used for another payment. Each payment must have a unique identifier. This usually indicates a system or integration issue.
Common Causes
- •Payment resubmitted with the same ID
- •Integration generating duplicate IDs
- •Retry logic not generating new FPID
- •System clock or sequence number issue
What to Tell the Customer
“There was a technical issue processing your payment. Please wait a moment and try again.”
How to Fix
- 1Check if the original payment was successful
- 2Ensure your system generates unique FPIDs
- 3Review payment integration logic
- 4Retry with a newly generated payment ID