How To Fix /SAPAPO/SNP121 - No source exists

/SAPAPO/SNP121 - Overview

• 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.

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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