How To Fix /SAPAPO/SNP121 - No source exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SNP -

• Message number: 121

• Message text: No source exists

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SNP121 - No source exists ?

  The SAP error message /SAPAPO/SNP121 No source exists typically occurs in the context of SAP Advanced Planning and Optimization (APO), specifically within the Supply Network Planning (SNP) module. This error indicates that the system could not find a valid source of supply for a particular product or location in the planning run.
  Causes:
  
  
  Missing Source of Supply: The most common cause is that there is no source of supply defined for the product in the location where it is needed. This could be due to incorrect or incomplete master data.
  
  
  Incorrect Planning Object Structure: The planning object structure may not be set up correctly, leading to the system not being able to identify valid sources.
  
  
  Inactive or Blocked Sources: The source of supply may be inactive or blocked, preventing it from being considered during the planning run.
  
  
  Data Consistency Issues: There may be inconsistencies in the master data, such as missing or incorrect entries in the product master, location master, or source of supply.
  
  
  Planning Version Issues: The planning version being used may not have the necessary data or settings to identify sources.
  
  
  Solutions:
  
  
  Check Master Data: Verify that the source of supply is correctly defined in the master data for the product and location. Ensure that the product has valid procurement and supply chain settings.
  
  
  Review Planning Object Structure: Ensure that the planning object structure is correctly configured and includes the necessary characteristics for the source of supply.
  
  
  Activate Sources: If the source of supply is inactive or blocked, activate it in the system.
  
  
  Data Consistency Check: Perform a consistency check on the master data to identify and correct any inconsistencies.
  
  
  Use the Correct Planning Version: Ensure that you are using the correct planning version that contains the necessary data for the planning run.
  
  
  Check SNP Settings: Review the SNP settings to ensure that the planning run is configured to consider the available sources of supply.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/MAT1 to check material master data or /SAPAPO/SNP1 to analyze SNP planning results.
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP Help documentation for detailed information on configuring sources of supply and troubleshooting planning issues in SNP.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional insights.