How To Fix FLBP121 - Alternative payer & & does not exist as a customer

SAP Error Message - Details

• Message type: E = Error

• Message class: FLBP - Business Partner: Customer/Vendor Messages

• Message number: 121

• Message text: Alternative payer & & does not exist as a customer

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 FLBP121 - Alternative payer & & does not exist as a customer ?

  The SAP error message FLBP121 indicates that the alternative payer specified in a transaction does not exist as a customer in the system. This error typically arises in scenarios involving billing documents, sales orders, or other financial transactions where an alternative payer is referenced.
  Cause:
  
  Missing Customer Master Data: The alternative payer has not been created in the customer master data.
  Incorrect Customer Number: The customer number entered for the alternative payer may be incorrect or misspelled.
  Data Inconsistency: There may be inconsistencies in the data, such as the alternative payer being marked as inactive or deleted.
  Authorization Issues: The user may not have the necessary authorizations to view or access the alternative payer's data.
  
  Solution:
  
  
  Check Customer Master Data:
  
  Go to the customer master data transaction (e.g., XD03 for display).
  Verify if the alternative payer exists in the system. If not, create the customer using transaction XD01 (for creating a customer) or XD02 (for changing a customer).
  
  
  
  Verify Customer Number:
  
  Ensure that the customer number entered for the alternative payer is correct. Check for any typographical errors.
  
  
  
  Check Status of Customer:
  
  Ensure that the alternative payer is active and not marked as inactive or deleted. You can check this in the customer master data.
  
  
  
  Review Authorizations:
  
  Ensure that the user has the necessary authorizations to access the alternative payer's data. This may require coordination with the SAP security team.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or support for further troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  XD01: Create Customer
  XD02: Change Customer
  XD03: Display Customer
  
  
  Customer Master Data: Ensure that the customer master data is properly maintained, including all relevant details such as address, payment terms, and status.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  If the problem continues after following these steps, it may be beneficial to involve your SAP support team or consult SAP's support portal for more specific guidance.