How To Fix UMK101 - Name '&1' already exists; Choose another name

SAP Error Message - Details

• Message type: E = Error

• Message class: UMK - Measures

• Message number: 101

• Message text: Name '&1' already exists; Choose another name

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMK101 - Name '&1' already exists; Choose another name ?

  The SAP error message UMK101, which states "Name '&1' already exists; Choose another name," typically occurs when you are trying to create a new object (such as a user, role, or other entity) in SAP with a name that is already in use. This error is common in various SAP modules, including user management, configuration, and development environments.
  Cause:
  
  Duplicate Name: The most straightforward cause is that the name you are trying to use for the new object is already taken by another object in the system.
  Namespace Conflicts: If you are working in a development environment, there may be namespace restrictions that prevent you from using certain names that are already reserved or used by other developers.
  Incorrect Object Type: Sometimes, the error can occur if you are trying to create an object of a different type but using a name that is already associated with another type.
  
  Solution:
  
  Choose a Different Name: The simplest solution is to select a different name for the object you are trying to create. Ensure that the new name adheres to any naming conventions or restrictions in your organization.
  Check Existing Objects: Before creating a new object, check the existing objects in the system to see if the name is already in use. You can do this by searching in the relevant transaction or using the appropriate SAP tools.
  Namespace Management: If you are in a development environment, consider using a unique namespace or prefix for your objects to avoid conflicts with other developers.
  Consult Documentation: If you are unsure about naming conventions or restrictions, consult the SAP documentation or your organization's guidelines for naming objects.
  
  Related Information:
  
  Transaction Codes: Depending on the object type, you may use different transaction codes to check for existing objects (e.g., SU01 for users, PFCG for roles).
  SAP Notes: Check SAP Notes for any specific issues related to the error message UMK101, as there may be updates or patches that address related problems.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to create the object, as sometimes lack of permissions can lead to misleading error messages.
  
  By following these steps, you should be able to resolve the UMK101 error and successfully create the desired object in SAP.