How To Fix 06401 - Purchase requisition & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: 06 -

• Message number: 401

• Message text: Purchase requisition & 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 06401 - Purchase requisition & already exists ?

  The SAP error message "06401 Purchase requisition & already exists" typically indicates that there is an attempt to create a purchase requisition (PR) with a number that already exists in the system. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Duplicate Entry: The most common cause is that a purchase requisition with the same number has already been created. This can happen if the user is trying to create a PR manually and the system has already generated one automatically or if the user mistakenly tries to create a PR with a number that was previously used.
  
  
  Number Range Issues: If the number range for purchase requisitions is not set up correctly, it may lead to conflicts where the system tries to assign a number that is already in use.
  
  
  System Configuration: There may be configuration settings in the SAP system that are causing the system to generate duplicate numbers or not properly check for existing requisitions.
  
  
  Solutions:
  
  
  Check Existing Purchase Requisitions: Before creating a new purchase requisition, check the existing PRs to see if one with the same number already exists. You can do this by using transaction codes like ME53N (Display Purchase Requisition) to search for existing requisitions.
  
  
  Use Automatic Number Assignment: Ensure that the system is set to automatically assign numbers to purchase requisitions rather than allowing manual entry. This can help prevent duplicates.
  
  
  Review Number Ranges: Check the configuration of number ranges for purchase requisitions in the SAP system. You can do this using transaction code SNRO (Number Range Objects) and ensure that the number range is correctly defined and not overlapping.
  
  
  Consult with SAP Basis or Configuration Team: If the issue persists, it may be necessary to consult with your SAP Basis or configuration team to review the system settings and ensure that everything is configured correctly.
  
  
  Error Handling: Implement error handling in your processes to catch and manage this error gracefully, providing users with clear instructions on how to proceed if they encounter this message.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME51N (Create Purchase Requisition), ME52N (Change Purchase Requisition), and ME53N (Display Purchase Requisition).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions that may not be widely known.
  User Training: Ensure that users are trained on how to properly create and manage purchase requisitions to minimize the risk of duplicate entries.
  
  By following these steps, you should be able to resolve the error message and prevent it from occurring in the future.