How To Fix K0104 - Name & already assigned in this group

SAP Error Message - Details

• Message type: E = Error

• Message class: K0 - Error Messages for Central Controlling Routines

• Message number: 104

• Message text: Name & already assigned in this group

What causes this issue?

The given node name already exists in the group being processed.

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?

Check the name or, if necessary, transfer the existing node to your
group.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message K0104 - Name & already assigned in this group ?

  The SAP error message K0104 ("Name & already assigned in this group") typically occurs in the context of controlling (CO) when you are trying to create or modify a master data object (like a cost center, internal order, or profit center) that has a name or identifier that is already in use within the same group or hierarchy.
  Cause:
  
  Duplicate Name: The most common cause of this error is that the name or identifier you are trying to assign to a new object is already being used by another object in the same group or hierarchy.
  Incorrect Grouping: You may be trying to create an object in a group where the naming convention does not allow duplicates.
  Data Entry Error: There might be a typographical error in the name you are trying to assign, leading to confusion with existing names.
  
  Solution:
  
  Check Existing Names: Verify the names of existing objects in the group to ensure that the name you are trying to use is not already taken. You can do this by navigating to the relevant master data transaction (e.g., cost center, internal order) and listing existing entries.
  Choose a Unique Name: If the name is already in use, select a different, unique name for your new object.
  Review Group Settings: Ensure that you are creating the object in the correct group and that the naming conventions are being followed.
  Consult Documentation: If you are unsure about the naming conventions or group settings, refer to your organization's SAP documentation or consult with your SAP administrator.
  
  Related Information:
  
  Transaction Codes: Depending on the type of object you are working with, you may be using different transaction codes (e.g., KS01 for cost centers, KO01 for internal orders).
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to create or modify the object in question.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the K0104 error and successfully create or modify your master data object in SAP.