How To Fix WEBFI_MASTER109 - It is not possible to convert the payment card data

SAP Error Message - Details

• Message type: E = Error

• Message class: WEBFI_MASTER - Web Financials: Business Partner Master Data

• Message number: 109

• Message text: It is not possible to convert the payment card data

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WEBFI_MASTER109 - It is not possible to convert the payment card data ?

  SAP Error Message:
  
  WEBFI_MASTER109: It is not possible to convert the payment card data
  
  Cause:
  This error typically occurs in SAP systems when there is an issue with processing or converting payment card data during a transaction, especially in scenarios involving SAP Payment Card Interface (PCI) or SAP Payment Engine. The main causes include:
  
  Incorrect or missing configuration for payment card data handling.
  Unsupported or invalid card data format that the system cannot convert.
  Missing or incorrect mapping in the payment card data conversion routines.
  Encryption or decryption issues with the payment card data.
  Missing or outdated software components or patches related to payment card processing.
  Integration issues between SAP and external payment service providers or middleware.
  
  
  Solution:
  To resolve the WEBFI_MASTER109 error, consider the following steps:
  
  
  Check Configuration:
  
  Verify the payment card configuration in SAP (e.g., in transaction SPRO under Financial Accounting ? Accounts Receivable and Accounts Payable ? Payment Transactions ? Payment Card Interface).
  Ensure that the payment card types and their data formats are correctly maintained.
  
  
  
  Validate Card Data Format:
  
  Confirm that the payment card data being sent to SAP is in the expected format.
  If data is coming from an external system or middleware, check the interface mapping and transformation logic.
  
  
  
  Review Conversion Routines:
  
  Check the conversion routines or function modules responsible for payment card data processing (e.g., WEBFI_CARD_CONVERT or similar).
  Debug or analyze these routines to identify where the conversion fails.
  
  
  
  Check Encryption/Decryption Settings:
  
  Ensure that encryption keys and certificates used for securing payment card data are correctly installed and maintained.
  Verify that the system can properly decrypt incoming card data.
  
  
  
  Apply SAP Notes and Patches:
  
  Search for relevant SAP Notes related to WEBFI_MASTER109 or payment card processing errors.
  Apply any recommended patches or corrections.
  
  
  
  Test with Valid Data:
  
  Try processing a payment card transaction with known valid data to isolate whether the issue is data-specific or system-wide.
  
  
  
  Check Integration Points:
  
  If using external payment service providers or middleware, verify the integration settings and data exchange formats.
  
  
  
  
  Related Information:
  
  SAP Payment Card Interface (PCI): SAP module/component that handles payment card transactions.
  Transaction Codes:  
  
  SPRO – Configuration  
  WEBFI – Payment Card Interface related transactions  
  
  
  SAP Notes: Search the SAP Support Portal for notes related to WEBFI_MASTER109 or payment card data conversion errors.
  Security Compliance: Handling payment card data requires compliance with PCI DSS standards; ensure your system adheres to these.
  Debugging: Use SAP debugging tools to trace the error in the payment card data conversion function modules.
  
  
  If the problem persists after these checks, consider raising a support ticket with SAP, providing detailed logs and screenshots of the error context.