How To Fix UA_SM1066 - Object category name must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: UA_SM1 - Structure Maintenance

• Message number: 066

• Message text: Object category name must be unique

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 UA_SM1066 - Object category name must be unique ?

  The SAP error message UA_SM1066, which states "Object category name must be unique," typically occurs when you are trying to create or modify an object category in the SAP system, and the name you are using for the object category already exists in the system. This uniqueness constraint is enforced to ensure that each object category can be distinctly identified.
  Cause:
  
  Duplicate Name: The most common cause of this error is that the name you are trying to assign to the new object category is already in use by another category.
  Incorrect Configuration: Sometimes, the error may arise from incorrect configuration settings or data inconsistencies in the system.
  
  Solution:
  
  
  Check Existing Categories: Before creating a new object category, check the existing categories to ensure that the name you want to use is not already taken. You can do this by navigating to the relevant transaction or using the appropriate report to list existing object categories.
  
  
  Choose a Unique Name: If the name is already in use, you will need to select a different, unique name for your new object category. Ensure that the new name adheres to any naming conventions your organization may have.
  
  
  Modify Existing Category: If you intended to modify an existing category rather than create a new one, ensure you are using the correct transaction to edit that category.
  
  
  Consult Documentation: If you are unsure about the naming conventions or the process for creating object categories, refer to the SAP documentation or your organization's guidelines.
  
  
  Check for System Issues: If you believe the name should be unique but are still encountering this error, there may be a system issue or inconsistency. In such cases, it may be helpful to consult with your SAP Basis or technical support team.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using different transaction codes to manage object categories. Common transaction codes include SPRO for configuration or specific transaction codes related to the module you are working in.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP Notes can provide additional context or solutions for specific scenarios.
  User Permissions: Ensure that you have the necessary permissions to create or modify object categories in the system.
  
  By following these steps, you should be able to resolve the UA_SM1066 error and successfully create or modify your object category in SAP.