How To Fix UKM029 - Database table &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: UKM - UKM Message Class

• Message number: 029

• Message text: Database table &1 already exists

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 UKM029 - Database table &1 already exists ?

  The SAP error message UKM029 indicates that a database table with the specified name already exists in the system. This error typically occurs during the execution of a program or transaction that attempts to create a new database table, but the table name specified is already in use.
  Cause:
  
  Table Already Exists: The most straightforward cause is that the table you are trying to create has already been created in the database.
  Development Environment: If you are working in a development environment, it is possible that the table was created in a previous development cycle or by another developer.
  Transport Issues: If you are transporting objects between systems (e.g., from development to quality assurance), the table may have been created in the target system as part of a previous transport.
  
  Solution:
  
  Check Existing Tables: Verify if the table already exists in the database. You can do this by using transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check for the existence of the table.
  Rename the Table: If you need to create a new table, consider renaming the new table to avoid the conflict with the existing one.
  Drop the Existing Table: If the existing table is no longer needed, you can drop it using the appropriate SQL command or through the Data Dictionary (SE11). Be cautious with this approach, as it will delete all data in the table.
  Modify the Program: If the program or transaction is incorrectly trying to create a table that should not be created, you may need to modify the code to prevent this action.
  Consult Documentation: Check any relevant documentation or notes related to the program or transaction you are using to understand why it is attempting to create the table.
  
  Related Information:
  
  Transaction Codes: Use SE11 to view or modify database tables, and SE14 for database utilities.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or program you are working with.
  Development Guidelines: Follow best practices for naming conventions and object management in SAP to avoid conflicts in the future.
  Transport Management: Ensure that your transport requests are correctly managed to prevent duplicate objects in different environments.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or SAP support for further assistance.