How To Fix COM_ALTER_IDENT035 - ID type subsequently identified as "Unique"

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_ALTER_IDENT - Messages for Alternative Identifiers

• Message number: 035

• Message text: ID type subsequently identified as "Unique"

What causes this issue?

The ID type was changed to unique at a later stage. This can result in
inconsistencies as there may already be data that does not allow the
alternative ID to be assigned uniquely to the product or individual
object.

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?

Correct the inconsistencies or leave the ID type as 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_IDENT035 - ID type subsequently identified as "Unique" ?

  The SAP error message COM_ALTER_IDENT035 typically indicates an issue related to the identification of a unique key or identifier in a database table or structure. This error often arises during operations that involve altering or modifying database objects, such as when trying to change the properties of a field that is expected to be unique.
  Cause:
  
  Unique Constraint Violation: The error may occur if you are trying to alter a field that is part of a unique constraint, and the operation would violate that constraint.
  Data Inconsistency: There may be existing data in the database that does not comply with the unique constraint, leading to the error when attempting to modify the structure.
  Incorrect Configuration: The configuration of the database or the application may not be set up correctly, leading to the identification of the field as unique when it should not be.
  
  Solution:
  
  Check Existing Data: Review the data in the table to ensure that there are no duplicate entries that would violate the unique constraint. You can run a query to identify duplicates.
  Modify Data: If duplicates are found, you may need to modify or remove the duplicate entries to comply with the unique constraint.
  Review Table Structure: Check the table structure and constraints to ensure that the unique key is defined correctly. If necessary, adjust the constraints to reflect the intended design.
  Adjust the Alteration: If the alteration you are trying to perform is not necessary, consider reverting the change or modifying it to avoid the conflict with the unique constraint.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the error message and the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to analyze and modify the database objects.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the error details and context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.