How To Fix KZ104 - Single object is already assigned to a cost object

SAP Error Message - Details

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 104

• Message text: Single object is already assigned to a cost object

What causes this issue?

The object cannot be assigned to this cost object ID because it is
already assigned to another cost object ID.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter another object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KZ104 - Single object is already assigned to a cost object ?

  The SAP error message KZ104 ("Single object is already assigned to a cost object") typically occurs in the context of cost accounting or controlling when you attempt to assign a cost object (like a cost center, internal order, or project) to a single object (like a material or activity) that is already assigned to another cost object. This can happen in various transactions, such as when trying to allocate costs or when performing planning activities.
  Cause:
  
  Duplicate Assignment: The primary cause of this error is that the single object you are trying to assign is already linked to another cost object. SAP does not allow a single object to be assigned to multiple cost objects simultaneously to maintain data integrity.
  Incorrect Configuration: Sometimes, the configuration settings in the controlling module may not allow for the desired assignments.
  Data Entry Errors: There may be a mistake in the data entry process, such as selecting the wrong object or cost center.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like KOB1 (for orders) or KSB1 (for cost centers) to check the existing assignments of the single object. Identify which cost object it is currently assigned to.
  
  
  
  Reassign the Object:
  
  If you need to assign the single object to a different cost object, you will first need to remove the existing assignment. This can typically be done through the same transaction where the assignment was made.
  After removing the existing assignment, you can then proceed to assign the single object to the desired cost object.
  
  
  
  Review Configuration:
  
  If the issue persists, review the configuration settings in the controlling module to ensure that they align with your business requirements. This may involve consulting with your SAP configuration team.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for specific guidance on the transaction you are using, as there may be additional steps or considerations based on your version of SAP.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP helpdesk for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1, KOB1, CJI3 (for project-related costs), and others that may help you analyze cost assignments.
  Cost Object Types: Understand the different types of cost objects in SAP (cost centers, internal orders, projects) and their specific rules regarding assignments.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that could resolve the issue.
  
  By following these steps, you should be able to identify the cause of the KZ104 error and take appropriate action to resolve it.