How To Fix COM_ALTER_IDENT000 - ID type &1 is unique and ID &2 is already being used in product &3

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 000

• Message text: ID type &1 is unique and ID &2 is already being used in product &3

What causes this issue?

When defining an alternative ID type, you can specify whether it is a
unique identifier. When unique identifiers are used, there must not be
more than one object (for example, products or individual objects) with
the same ID.
The object cannot be saved as the object ID specified is already being
used.

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?

Change the ID value or set the alternative ID type to not unique.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message COM_ALTER_IDENT000 - ID type &1 is unique and ID &2 is already being used in product &3 ?

  The SAP error message COM_ALTER_IDENT000 indicates that there is an issue with the uniqueness of an identifier (ID) in the context of a product. Specifically, the message states that the ID type specified (represented by &1) is supposed to be unique, but the ID (&2) you are trying to use is already in use in the product (&3). 
  Cause:
  
  
  Duplicate Identifier: The primary cause of this error is that you are attempting to create or modify an identifier that already exists in the system for the specified product. This could happen if:
  
  You are trying to assign an ID that has already been assigned to another product or entity.
  There is a data entry error where the same ID was mistakenly entered multiple times.
  
  
  
  Data Migration Issues: If you are migrating data from another system or have recently imported data, there may be conflicts with existing IDs.
  
  
  Configuration Errors: Sometimes, configuration settings may not enforce uniqueness properly, leading to conflicts.
  
  
  Solution:
  
  
  Check Existing IDs: Verify the existing IDs in the system for the specified product. You can do this by:
  
  Navigating to the relevant transaction or table where the IDs are stored.
  Searching for the ID (&2) to see where it is currently being used.
  
  
  
  Use a Unique ID: If the ID you are trying to use is already taken, you will need to select a different, unique ID that is not currently in use.
  
  
  Data Cleanup: If you find that there are duplicate entries that should not exist, you may need to clean up the data by removing or correcting the duplicates.
  
  
  Review Data Migration Processes: If this error occurred after a data migration, review the migration process to ensure that it correctly handled unique constraints.
  
  
  Consult Documentation: Check SAP documentation or help resources for specific guidelines on managing identifiers and ensuring uniqueness.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring problem.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to view or manage identifiers (e.g., SE11 for data dictionary, SE16 for table display).
  SAP Notes: Look for SAP Notes related to this error message for any patches or updates that may address the issue.
  Custom Development: If your organization has custom developments, ensure that they are not interfering with standard SAP behavior regarding ID uniqueness.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.