How To Fix 6P435 - Quantity entered already in the specified period will be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: 6P - Messages for planned independent requirements (Appl.area 60)

• Message number: 435

• Message text: Quantity entered already in the specified period will be deleted

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 6P435 - Quantity entered already in the specified period will be deleted ?

  The SAP error message "6P435 Quantity entered already in the specified period will be deleted" typically occurs in the context of inventory management or production planning when there is an attempt to change or delete a quantity that has already been recorded in a specific period. This error is often related to the handling of stock movements, production orders, or inventory adjustments.
  Cause:
  
  Data Entry Conflict: The error arises when a user tries to enter a quantity for a period where data already exists. This could happen if there are already posted transactions for that period.
  Period Locking: The period in question may be locked for posting, preventing any changes to the quantities.
  Incorrect Configuration: There may be configuration settings in the system that restrict changes to already posted quantities.
  
  Solution:
  
  Check Existing Entries: Review the existing entries for the specified period to understand what quantities have already been posted. This can be done through transaction codes like MB51 (Material Document List) or MMBE (Stock Overview).
  Unlock the Period: If the period is locked, you may need to unlock it to allow for changes. This typically requires authorization and should be done with caution to avoid inconsistencies.
  Adjust Entries: If you need to make changes, consider adjusting the existing entries rather than deleting them. This can be done through appropriate transactions like MB1A (Goods Withdrawal) or MB1B (Transfer Posting).
  Consult with a SAP Administrator: If you are unsure about how to proceed, it may be best to consult with a SAP administrator or a functional consultant who can provide guidance based on your specific configuration and business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A, MB1B, MB51, and MMBE for managing inventory and stock movements.
  Authorization: Ensure you have the necessary authorizations to make changes to inventory data.
  Documentation: Refer to SAP documentation or help files for detailed explanations of the error and potential resolutions.
  Testing: If changes are made, consider testing in a development or quality assurance environment before applying them in production to avoid disruptions.
  
  Best Practices:
  
  Always back up data before making significant changes.
  Communicate with your team about any changes to inventory or production data to ensure everyone is aware of the current status.
  Regularly review and reconcile inventory data to prevent discrepancies and errors.
  
  By following these steps, you should be able to address the error message and manage your inventory effectively within SAP.