How To Fix CNV_IUUC_DB_CONN072 - Failed to insert nametab entry for DDIC proxy &1 of table &2.&3

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 072

• Message text: Failed to insert nametab entry for DDIC proxy &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_CONN072 - Failed to insert nametab entry for DDIC proxy &1 of table &2.&3 ?

  The SAP error message CNV_IUUC_DB_CONN072 indicates a failure to insert a nametab entry for a Data Dictionary (DDIC) proxy in a specific table. This error typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  The error can be caused by several factors, including:
  
  Database Connection Issues: There may be problems with the database connection, such as network issues or incorrect connection parameters.
  Table Locking: The target table may be locked by another process, preventing the insertion of new entries.
  Data Dictionary Issues: There may be inconsistencies or issues with the Data Dictionary definitions, such as missing or incorrect entries.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to perform the insert operation.
  Data Type Mismatches: There could be data type mismatches between the source and target tables, leading to insertion failures.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Database Connection:
  
  Verify that the database connection is active and correctly configured.
  Test the connection to ensure there are no network issues.
  
  
  
  Check for Table Locks:
  
  Use database tools or transaction codes (like SM12) to check if the target table is locked by another user or process.
  If it is locked, wait for the lock to be released or contact the user holding the lock.
  
  
  
  Review Data Dictionary Definitions:
  
  Check the Data Dictionary entries for the relevant tables to ensure they are correctly defined.
  Look for any inconsistencies or missing entries that may need to be corrected.
  
  
  
  Verify Authorizations:
  
  Ensure that the user executing the operation has the necessary authorizations to insert entries into the target table.
  Check the roles and authorizations assigned to the user.
  
  
  
  Check Data Types:
  
  Review the data types of the fields in the source and target tables to ensure they match.
  Make any necessary adjustments to the data types to resolve mismatches.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context for the failure.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SLG1 (Application Log) and SM12 (Lock Entries) for troubleshooting.
  SAP Documentation: Refer to SAP Help Portal for documentation on data migration and SLT processes.
  SAP Community: Engage with the SAP Community for insights and solutions from other users who may have encountered similar issues.
  
  If the issue persists after following these steps, consider reaching out to SAP Support for further assistance.