How To Fix VK120 - Substitution reason & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: VK - Pflege und Bearbeitung von Konditionen

• Message number: 120

• Message text: Substitution reason & is not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VK120 - Substitution reason & is not defined ?

  The SAP error message VK120, which states "Substitution reason & is not defined," typically occurs in the context of the SAP Sales and Distribution (SD) module when dealing with product substitutions. This error indicates that the system is unable to find a defined substitution reason for a particular scenario, which is necessary for processing substitutions in sales orders or other related transactions.
  
  Cause:
  
  Missing Substitution Reason: The specific substitution reason that is being referenced in the transaction is not defined in the system.
  
  Configuration Issues: The substitution reason may not have been properly configured in the system settings.
  Data Entry Errors: There may be a typo or incorrect entry in the substitution reason field during the transaction.
  
  
  Solution:
  
  
  Define the Substitution Reason:
  
  Go to the SAP Customizing Implementation Guide (IMG).
  Navigate to Sales and Distribution > Basic Functions > Substitution > Define Substitution Reasons.
  Check if the substitution reason in question is listed. If not, create a new entry