How To Fix SOS_PERSISTENCE121 - Unable to create object - object already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SOS_PERSISTENCE - Persistence Services Messages

• Message number: 121

• Message text: Unable to create object - object 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.

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 SOS_PERSISTENCE121 - Unable to create object - object already exists ?

  The SAP error message SOS_PERSISTENCE121, which states "Unable to create object - object already exists," typically occurs when there is an attempt to create an object in the SAP system that already exists in the database. This can happen in various contexts, such as when working with business objects, data records, or other entities within the SAP environment.
  Causes:
  
  Duplicate Object Creation: The most common cause is that the system is trying to create an object (like a business partner, material, etc.) that already exists in the database.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that attempt to create an object without checking for its existence first, this error can occur.
  Data Migration Issues: During data migration or data uploads, if the same records are being uploaded multiple times without proper checks, this error can arise.
  Concurrency Issues: If multiple processes are trying to create the same object simultaneously, one of them may encounter this error.
  
  Solutions:
  
  Check for Existing Objects: Before attempting to create an object, implement a check to see if the object already exists in the database. This can be done using appropriate SELECT statements in ABAP.
  Modify Custom Code: If the error is coming from custom code, review and modify the logic to ensure that it checks for existing records before attempting to create new ones.
  Data Validation: If the error occurs during data migration, ensure that the data being migrated is validated to prevent duplicates. Use tools like LSMW or SAP Data Services with proper mapping and checks.
  Error Handling: Implement error handling in your code to gracefully manage situations where an object already exists, possibly by updating the existing object instead of trying to create a new one.
  Review Transaction Logs: Check transaction logs or application logs (SLG1) for more details on the error and the context in which it occurred.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific object type you are working with, as there may be known issues or patches available.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to analyze the object definitions and related logic.
  Debugging: If you have access to the development environment, consider debugging the process to identify where the error is being triggered.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the SOS_PERSISTENCE121 error effectively.