How To Fix RM471 - Confirmation number &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 471

• Message text: Confirmation number &1 already exists

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 RM471 - Confirmation number &1 already exists ?

  The SAP error message RM471, which states "Confirmation number &1 already exists," typically occurs in the context of production confirmations or goods movements in SAP. This error indicates that the system has detected a duplicate confirmation number for a production order or a related process.
  Cause:
  
  
  Duplicate Confirmation: The most common cause is that a confirmation with the same number has already been recorded in the system. This can happen if:
  
  The user attempts to confirm the same operation multiple times.
  There is a system error or glitch that causes the same confirmation to be processed more than once.
  Manual entry errors where the same confirmation number is reused.
  
  
  
  Data Integrity Issues: Sometimes, data integrity issues or inconsistencies in the database can lead to this error.
  
  
  Configuration Issues: Incorrect configuration in the production planning or confirmation settings may also lead to this error.
  
  
  Solution:
  
  
  Check Existing Confirmations: 
  
  Use transaction codes like CO11N (Single Screen Entry of Confirmations) or CO15 (Display Confirmation) to check if the confirmation number already exists.
  If it does, verify if the confirmation is valid and if any further action is needed.
  
  
  
  Use Unique Confirmation Numbers: 
  
  Ensure that each confirmation number is unique. If you are manually entering confirmation numbers, implement a process to avoid duplicates.
  
  
  
  Review Configuration: 
  
  Check the configuration settings in the production module to ensure that they are set up correctly. This may involve consulting with your SAP Basis or configuration team.
  
  
  
  Database Integrity Check: 
  
  If you suspect data integrity issues, you may need to run database checks or consult with your SAP support team to resolve any underlying issues.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO11N, CO15, and COHV (for mass processing of confirmations).
  User Authorization: Ensure that users have the appropriate authorizations to create and manage confirmations.
  Training: Provide training to users on how to properly enter confirmations to minimize errors.
  
  By following these steps, you should be able to identify the cause of the RM471 error and implement a solution to resolve it.