How To Fix /SAPAPO/RRP299 - For lot sizes from the plan, the source of supply must be copied from SNP

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP -

• Message number: 299

• Message text: For lot sizes from the plan, the source of supply must be copied from SNP

Self-Explanatory Message

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• What is the cause and solution for SAP error message /SAPAPO/RRP299 - For lot sizes from the plan, the source of supply must be copied from SNP ?

  The SAP error message /SAPAPO/RRP299 typically occurs in the context of Advanced Planning and Optimization (APO) when there is an issue with the source of supply for planned orders or stock transfer orders. This error indicates that the system is unable to copy the source of supply from the Supply Network Planning (SNP) for the specified lot sizes in the planning run.
  Cause:
  
  Missing Source of Supply: The most common cause is that the source of supply (e.g., vendor, production plant) is not defined for the specific lot sizes in the SNP master data.
  Lot Size Configuration: The lot sizes defined in the planning run may not have a corresponding source of supply in the SNP.
  Planning Object Structure: The planning object structure may not be correctly set up to allow for the copying of the source of supply.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data (e.g., material master, location master) that prevent the system from determining the source of supply.
  
  Solution:
  
  Check SNP Master Data: Ensure that the source of supply is correctly defined for the materials in the SNP master data. This includes checking the location and vendor assignments.
  Review Lot Size Settings: Verify that the lot sizes configured in the planning run are valid and have corresponding sources of supply in the SNP.
  Adjust Planning Object Structure: If necessary, adjust the planning object structure to ensure it allows for the copying of the source of supply.
  Run SNP Heuristic: If the source of supply is missing, run the SNP heuristic to generate a new plan that includes the source of supply.
  Check for Data Inconsistencies: Use transaction codes like /SAPAPO/SDP94 to analyze the planning results and identify any inconsistencies in the data.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for additional troubleshooting steps or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 (to view planning results) and /SAPAPO/RRP3 (to view the detailed planning board).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide patches and updates.
  APO Configuration: Ensure that your APO configuration is set up correctly, particularly in relation to SNP and the integration with the ERP system.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and modify the relevant master data.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.