How To Fix /SAPAPO/RRP421 - Product for receipt &1 was changed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 421

• Message text: Product for receipt &1 was changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP421 - Product for receipt &1 was changed ?

  The SAP error message /SAPAPO/RRP421 Product for receipt &1 was changed typically occurs in the context of Advanced Planning and Optimization (APO) when there is a discrepancy between the product data in the planning book and the data in the master data or transactional data. This error indicates that the product for which a receipt is being processed has been modified, which can lead to inconsistencies in planning.
  Cause:
  
  Data Changes: The product master data or the planning data has been changed after the planning run was initiated. This could include changes to product attributes, availability, or other related data.
  Concurrent Changes: Multiple users or processes may be trying to update the same product data simultaneously, leading to conflicts.
  Planning Book Settings: The settings in the planning book may not be aligned with the current product data.
  
  Solution:
  
  Refresh Data: Refresh the planning book or re-execute the planning run to ensure that you are working with the most current data.
  Check for Changes: Investigate any recent changes made to the product master data or planning data. You can use transaction codes like /SAPAPO/MAT1 to check the product master data.
  Locking Mechanism: Ensure that there are no locks on the product data that could prevent updates. You may need to check for any active sessions or processes that are holding locks.
  Consistency Check: Run consistency checks in the APO system to identify and resolve any discrepancies in the data.
  User Communication: If multiple users are involved, communicate with them to coordinate changes to avoid conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/RRP3 (for planning board) and /SAPAPO/MAT1 (for product master data).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on APO planning and product master data management for best practices and troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.