How To Fix /SAPAPO/RRP342 - Source of supply &1 &2 not valid at earliest possible start date &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 342

• Message text: Source of supply &1 &2 not valid at earliest possible start date &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP342 - Source of supply &1 &2 not valid at earliest possible start date &3 ?

  The SAP error message /SAPAPO/RRP342 Source of supply &1 &2 not valid at earliest possible start date &3 typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to find a valid source of supply for a product at a specified date. This can happen during planning activities, such as when trying to create a production or procurement plan.
  Cause:
  
  
  Invalid Source of Supply: The specified source of supply (e.g., vendor, production location) is not valid for the given product at the specified date. This could be due to:
  
  The source being inactive or blocked.
  The source not having sufficient capacity or stock.
  The source not being assigned to the product in the master data.
  
  
  
  Date Issues: The earliest possible start date may fall outside the validity period of the source of supply. For example, if the source is only valid from a later date, the system will not consider it.
  
  
  Planning Parameters: Incorrect planning parameters or settings in the APO system can lead to this error. This includes settings related to lead times, availability checks, or sourcing rules.
  
  
  Solution:
  
  
  Check Source of Supply:
  
  Verify that the source of supply (e.g., vendor, plant) is active and valid for the product in question.
  Ensure that the source has the necessary capacity and stock available.
  
  
  
  Review Validity Dates:
  
  Check the validity dates of the source of supply in the master data. Make sure that the source is valid for the date you are trying to plan for.
  
  
  
  Update Master Data:
  
  If the source of supply is not valid, you may need to update the master data to include a valid source or adjust the existing source's validity.
  
  
  
  Adjust Planning Parameters:
  
  Review and adjust the planning parameters in the APO system to ensure they align with your business requirements.
  
  
  
  Run Availability Check:
  
  Perform an availability check to see if there are any other valid sources of supply that can fulfill the requirement.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or consult with your SAP support team for specific configurations related to your system.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RRP3 (Product View) or /SAPAPO/RRP4 (Planning Table) to analyze the planning situation.
  Master Data: Ensure that the product master data and source of supply master data are correctly maintained in both SAP ERP and SAP APO.
  Error Logs: Check the error logs for additional details that may help in diagnosing the issue further.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.