How To Fix /SAPAPO/PDEM255 - Supersession chain &1 contains different successor prod. planning date

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 255

• Message text: Supersession chain &1 contains different successor prod. planning date

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/PDEM255 - Supersession chain &1 contains different successor prod. planning date ?

  The SAP error message /SAPAPO/PDEM255 indicates that there is an issue with the product planning dates in a supersession chain. Specifically, it means that the successor products in the supersession chain have different planning dates, which can lead to inconsistencies in planning and forecasting.
  Cause:
  
  Inconsistent Planning Dates: The successor products in the supersession chain have been assigned different planning dates. This inconsistency can arise from manual data entry errors or from discrepancies in the product master data.
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the product master data, it may lead to inconsistencies in the planning dates.
  Configuration Issues: Incorrect configuration in the SAP APO (Advanced Planning and Optimization) system can also lead to this error.
  
  Solution:
  
  Check Product Master Data: Review the product master data for the products involved in the supersession chain. Ensure that all successor products have the same planning date.
  Update Planning Dates: If you find discrepancies, update the planning dates for the successor products to ensure they are consistent.
  Review Supersession Chain: Check the supersession chain configuration to ensure that it is set up correctly and that all products in the chain are properly linked.
  Data Consistency Check: Run a consistency check in the SAP APO system to identify any other potential issues with product data.
  Consult Documentation: Refer to SAP documentation or notes related to product planning and supersession chains for additional guidance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/MAT1 (Product Master) or /SAPAPO/SDP94 (Planning Book) to access and modify product data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists after checking the above, consider reaching out to SAP support for further assistance.
  
  By ensuring that all products in the supersession chain have consistent planning dates, you should be able to resolve the error message /SAPAPO/PDEM255.