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

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 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 for it.
  
  
  
  Check Existing Substitution Reasons:
  
  Ensure that the substitution reason is correctly defined and active.
  Verify that the substitution reason is linked to the appropriate products or conditions.
  
  
  
  Review Transaction Data:
  
  Check the transaction where the error occurred to ensure that the correct substitution reason is being used.
  Look for any typos or incorrect entries in the substitution reason field.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or user manuals related to substitution in SAP to ensure that you are following the correct procedures.
  
  
  
  Testing:
  
  After making changes, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Substitution in SAP: Substitution is a process in SAP that allows one product to be substituted for another, often used in sales orders when a product is out of stock or discontinued.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VK11 (Create Condition) or VK12 (Change Condition) that may be involved in managing substitution reasons.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to create or modify substitution reasons in the system.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.