How To Fix CNV_IUUC_DB_CONN079 - Failed to delete DDIC proxy for logging table &1 of table &2.&3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 079

• Message text: Failed to delete DDIC proxy for logging table &1 of table &2.&3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN079 - Failed to delete DDIC proxy for logging table &1 of table &2.&3 ?

  The SAP error message CNV_IUUC_DB_CONN079 indicates that there was a failure in deleting the Data Dictionary (DDIC) proxy for a logging table associated with a specific table. This error typically arises in the context of data migration or data transformation processes, particularly when using the SAP Landscape Transformation (SLT) or other data conversion tools.
  Cause:
  
  Database Connection Issues: The error may occur due to problems with the database connection, such as network issues or database server unavailability.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to delete the DDIC proxy.
  Table Locking: The table or logging table may be locked by another process, preventing the deletion of the DDIC proxy.
  Corrupted Metadata: There may be inconsistencies or corruption in the metadata related to the logging table or the DDIC proxy.
  Configuration Issues: Incorrect configuration settings in the SLT or data migration setup can lead to this error.
  
  Solution:
  
  Check Database Connection: Ensure that the database connection is active and stable. You can test the connection using transaction codes like DBACOCKPIT or SM21 to check for any related issues.
  Review Authorizations: Verify that the user has the necessary authorizations to perform the deletion. You may need to consult with your SAP security team to ensure proper roles are assigned.
  Check for Locks: Use transaction SM12 to check for any locks on the logging table or related tables. If locks are found, you may need to wait for the locking process to complete or manually release the locks if appropriate.
  Recreate DDIC Proxy: If the metadata is corrupted, you may need to recreate the DDIC proxy. This can often be done by re-running the relevant data migration or transformation process.
  Review Configuration: Check the configuration settings in the SLT or data migration tool to ensure they are set up correctly. Look for any discrepancies that might lead to this error.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SLT, SM21, SM12, and DBACOCKPIT for monitoring and troubleshooting.
  SAP Documentation: Review the official SAP documentation for SLT and data migration processes for best practices and troubleshooting guidelines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed logs and context around the error.