How To Fix CLMM079 - Assignment of object & to class & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: CLMM - Messages for Mass Processing in Classification System

• Message number: 079

• Message text: Assignment of object & to class & already 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLMM079 - Assignment of object & to class & already exists ?

  The SAP error message CLMM079 indicates that there is an attempt to assign an object (such as a material, equipment, or any other master data) to a class that it is already assigned to. This typically occurs in the context of classification in SAP, where objects can be assigned to multiple classes for categorization and management purposes.
  Cause:
  The error occurs when:
  
  You are trying to assign an object to a class that it is already assigned to.
  There may be a duplicate entry in the classification data.
  The system is enforcing a rule that prevents multiple assignments of the same object to the same class.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction code CL02 (Change Class) or CL03 (Display Class) to check the existing assignments of the object to the class.
  Verify if the object is already assigned to the class you are trying to assign it to.
  
  
  
  Remove Duplicate Assignment:
  
  If the object is already assigned and you need to make changes, you may need to remove the existing assignment first before reassigning it.
  Use transaction code CL01 (Create Class) or CL02 to modify the class assignments as needed.
  
  
  
  Review Class Configuration:
  
  Ensure that the class configuration allows for the intended assignments. Check if there are any restrictions or settings that might be causing this issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to classification and object assignment for any specific guidelines or rules that may apply.
  
  
  
  Check for Custom Logic:
  
  If your organization has custom developments or enhancements, check if there are any custom validations that might be causing this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: CL01, CL02, CL03 for class management.
  Classification System: Understand how the classification system works in SAP, including the relationship between classes and objects.
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional insights.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.