How To Fix /SAPAPO/SNP169 - Not possible to create order, start date is not in SOS validity

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SNP -

• Message number: 169

• Message text: Not possible to create order, start date is not in SOS validity

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SNP169 - Not possible to create order, start date is not in SOS validity ?

  The SAP error message /SAPAPO/SNP169 indicates that there is an issue with creating an order in the SAP Advanced Planning and Optimization (APO) system because the start date of the order does not fall within the validity period of the Source of Supply (SOS). This typically occurs in the context of Supply Network Planning (SNP) when the system is trying to create a planned order or a purchase order, but the specified start date is outside the allowed time frame for the selected source of supply.
  Cause:
  
  Invalid Start Date: The start date for the order you are trying to create is either before or after the validity period defined for the source of supply.
  Source of Supply Configuration: The source of supply may not be configured correctly, or its validity dates may not cover the planned order's start date.
  Planning Version: The planning version being used may not have the correct data or settings for the source of supply.
  Master Data Issues: There may be issues with the master data related to the product, location, or source of supply.
  
  Solution:
  
  
  Check Validity Dates: Review the validity dates of the source of supply in the APO system. Ensure that the start date of the order falls within these dates.
  
  You can do this by navigating to the relevant transaction in SAP APO (e.g., /SAPAPO/SNP1 for SNP planning) and checking the details of the source of supply.
  
  
  
  Adjust Order Start Date: If possible, adjust the start date of the order to fall within the validity period of the source of supply.
  
  
  Update Source of Supply: If the source of supply is not valid for the required period, consider updating its validity dates to include the desired start date.
  
  This can be done in the master data settings for the source of supply.
  
  
  
  Check Planning Version: Ensure that you are using the correct planning version that contains the necessary data for the source of supply.
  
  
  Review Master Data: Check the master data for the product and location to ensure that everything is set up correctly and that there are no discrepancies.
  
  
  Consult Documentation: If the issue persists, consult the SAP documentation or reach out to your SAP support team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SNP1 for SNP planning and /SAPAPO/MAT1 for material master data.
  Master Data Maintenance: Ensure that the master data for products, locations, and sources of supply is regularly maintained and updated to avoid such issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  By following these steps, you should be able to resolve the error and successfully create the order in the SAP APO system.