How To Fix VVSCMASTERDATA034 - Multiple changes to PP key at the same time are not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: VVSCMASTERDATA -

• Message number: 034

• Message text: Multiple changes to PP key at the same time are not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VVSCMASTERDATA034 - Multiple changes to PP key at the same time are not permitted ?

  The SAP error message VVSCMASTERDATA034 indicates that there are multiple changes being attempted on the Production Planning (PP) key at the same time, which is not allowed. This typically occurs in scenarios where the system is trying to update or modify master data related to production planning, such as material master records, work centers, or production versions.
  Cause:
  
  Concurrent Updates: The error often arises when multiple users or processes are trying to update the same PP key simultaneously. This can happen in a multi-user environment where changes are being made to the same data set.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If one user has locked the PP key for editing, another user trying to make changes will encounter this error.
  Batch Jobs: If there are batch jobs running that are also trying to update the same PP key, it can lead to this error.
  
  Solution:
  
  Check for Locks: Use transaction code SM12 to check for any existing locks on the PP key. If you find a lock that is no longer needed, you can release it (ensure you have the necessary authorizations).
  Sequential Updates: Ensure that changes to the PP key are made sequentially rather than concurrently. If multiple users need to make changes, coordinate the updates to avoid conflicts.
  Review Batch Jobs: If there are batch jobs that might be causing the conflict, review their schedules and execution to ensure they do not overlap with manual updates.
  Error Handling: Implement error handling in your processes to catch this error and retry the operation after a short delay, allowing time for any locks to be released.
  Consult Documentation: Review SAP documentation or notes related to this error for any specific recommendations or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02 (Change Material), CO02 (Change Production Order), and MD02 (MRP Run) that may be involved in the processes leading to this error.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. You can search for the error message number in the SAP Support Portal.
  User Training: Ensure that users are trained on the proper procedures for updating master data to minimize the risk of concurrent changes.
  
  By following these steps, you should be able to resolve the error and prevent it from occurring in the future.