How To Fix CNV_IUUC_DB_CONN068 - Failed to create DDIC proxy &1 for table &2.&3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 068

• Message text: Failed to create DDIC proxy &1 for 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_CONN068 - Failed to create DDIC proxy &1 for table &2.&3 ?

  The SAP error message CNV_IUUC_DB_CONN068 indicates a failure in creating a Data Dictionary (DDIC) proxy for a specific table during a data migration or conversion process, typically associated with the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Authorization: The user executing the operation may not have the necessary authorizations to create or modify DDIC objects.
  Database Connection Issues: There may be issues with the database connection, such as incorrect credentials, network problems, or database server unavailability.
  Table Structure Issues: The table specified may have structural issues, such as missing fields or incorrect data types that prevent the creation of the proxy.
  Existing Proxy: A proxy for the specified table may already exist, leading to conflicts when trying to create a new one.
  Transport Layer Issues: If the system is in a transport layer, there may be restrictions or issues related to the transport of DDIC objects.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create DDIC objects. You may need to consult with your SAP security team.
  Verify Database Connection: Check the database connection settings in the SAP system. Ensure that the connection is active and that the credentials are correct.
  Inspect Table Structure: Review the structure of the specified table to ensure it is correctly defined. Look for any inconsistencies or missing elements.
  Check for Existing Proxies: Use transaction SE11 or SE80 to check if a proxy for the specified table already exists. If it does, you may need to delete or modify it before attempting to create a new one.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context about the failure.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  System Restart: In some cases, restarting the SAP system or the database may resolve transient issues.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SLG1 (Application Log) to investigate further.
  SAP Notes: Search the SAP Support Portal for notes related to CNV_IUUC_DB_CONN068 or similar migration issues.
  Documentation: Review the documentation for the specific migration tool or process you are using, as it may provide additional troubleshooting steps or requirements.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.