How To Fix CNV_DMC_UI_FW_EXCEPT029 - Cannot select object; object does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_UI_FW_EXCEPT - Messages for exception classes

• Message number: 029

• Message text: Cannot select object; object does not exist

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 CNV_DMC_UI_FW_EXCEPT029 - Cannot select object; object does not exist ?

  The SAP error message CNV_DMC_UI_FW_EXCEPT029 with the description "Cannot select object; object does not exist" typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or related tools. This error indicates that the system is unable to find or access a specific object that is required for the operation you are trying to perform.
  Causes:
  
  Object Deletion: The object you are trying to access may have been deleted or is no longer available in the system.
  Incorrect Object ID: The identifier (ID) or name of the object you are trying to select may be incorrect or misspelled.
  Authorization Issues: The user may not have the necessary permissions to access the object.
  Data Migration Configuration: There may be issues with the configuration of the data migration project, such as missing or incorrectly defined objects in the migration settings.
  System Synchronization: If the system is not properly synchronized or if there are inconsistencies in the database, it may lead to this error.
  
  Solutions:
  
  Verify Object Existence: Check if the object you are trying to access actually exists in the system. You can do this by searching for the object in the relevant transaction or using the appropriate SAP tools.
  Check Object ID: Ensure that you are using the correct ID or name for the object. Double-check for any typos or discrepancies.
  Review Authorizations: Make sure that your user account has the necessary authorizations to access the object. You may need to consult with your SAP security team to verify your permissions.
  Reconfigure Migration Settings: If the error is related to data migration, review the configuration settings in the Data Migration Cockpit. Ensure that all required objects are correctly defined and available.
  System Check: Perform a system check to ensure that there are no underlying issues with the database or system synchronization. This may involve checking logs or running consistency checks.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are working on. There may be known issues or additional troubleshooting steps provided by SAP.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant logs.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.