CLUNDO021 - Change number &1: overwriting for object &2 deleted from table &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CLUNDO - Message Class for Undo Functions in Classification

• Message number: 021

• Message text: Change number &1: overwriting for object &2 deleted from table &3

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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AnswerBot

• What is the cause and solution for SAP error message CLUNDO021 - Change number &1: overwriting for object &2 deleted from table &3 ?

  The SAP error message CLUNDO021 indicates that there is an issue related to a change number that is attempting to overwrite an object that has been deleted from a specific table. This typically occurs in the context of change management and transport requests in SAP.
  Cause:
  The error is caused by the following scenarios:
  
  Deleted Object: The object (e.g., a configuration, program, or other development object) associated with the change number has been deleted from the system. This means that the system cannot find the object to apply the changes.
  Change Number Issues: The change number being referenced may not be valid or may not correspond to an existing object in the specified table.
  Transport Request Issues: If the object was part of a transport request that has been deleted or is not available in the current system, this error can occur.
  
  Solution:
  To resolve the CLUNDO021 error, you can take the following steps:
  
  
  Check Object Existence: Verify if the object referenced in the error message still exists in the system. You can do this by checking the relevant transaction codes (e.g., SE80 for objects, SE11 for database tables) to see if the object is present.
  
  
  Review Change Number: Ensure that the change number is valid and corresponds to the correct object. You can check the change number in transaction code CC01 (Create Change Number) or CC02 (Change Change Number) to see its status.
  
  
  Restore Deleted Objects: If the object was deleted unintentionally, you may need to restore it from a backup or recreate it if possible.
  
  
  Transport Request Review: If the object was part of a transport request, check the status of that transport request. Ensure that it has been properly imported into the system and that the object is available.
  
  
  Consult Logs: Check the system logs (transaction code SLG1) for any additional information or related errors that might provide more context about the issue.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance, especially if this is affecting production systems.
  
  
  Related Information:
  
  Change Management: Understanding how change numbers and transport requests work in SAP can help prevent such issues in the future.
  Object Dependencies: Be aware of object dependencies and how they relate to change numbers and transport requests.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the CLUNDO021 error and implement a solution to resolve it.