How To Fix IM120 - Class & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 120

• Message text: Class & does not exist

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 IM120 - Class & does not exist ?

  The SAP error message IM120 typically indicates that a specific class does not exist in the system. This error can occur in various contexts, such as when working with materials, classes, or other object types in SAP.
  Cause:
  
  Missing Class: The class you are trying to reference has not been created or does not exist in the system.
  Incorrect Class Name: There may be a typo or incorrect naming in the class name you are trying to use.
  Authorization Issues: You may not have the necessary authorizations to view or access the class.
  Transport Issues: If the class was recently transported from another system, it may not have been transported correctly or may not exist in the target system.
  
  Solution:
  
  
  Check Class Existence:
  
  Use transaction code CL02 (Change Class) or CL03 (Display Class) to check if the class exists in the system.
  If the class does not exist, you may need to create it using transaction code CL01 (Create Class).
  
  
  
  Verify Class Name:
  
  Double-check the spelling and syntax of the class name you are trying to use. Ensure that it matches exactly with what is defined in the system.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to access the class. You may need to contact your SAP security team to verify your permissions.
  
  
  
  Transport Check:
  
  If the class was supposed to be transported from another system, check the transport logs to ensure that the transport was successful and that the class is included in the transport request.
  
  
  
  Consult Documentation:
  
  Review any relevant documentation or notes related to the specific module or functionality you are working with to ensure that you are following the correct procedures.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for further assistance, especially if this is a critical issue affecting business processes.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  Authorization Objects: Check for relevant authorization objects that may restrict access to class definitions.
  SAP Notes: Search for SAP Notes related to the IM120 error message for any specific fixes or recommendations provided by SAP.
  
  By following these steps, you should be able to identify the cause of the IM120 error and implement a solution to resolve it.