How To Fix CNV_IUUC_DB_CONN064 - Error reading table columns for &1.&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 064

• Message text: Error reading table columns for &1.&2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN064 - Error reading table columns for &1.&2 ?

  The SAP error message CNV_IUUC_DB_CONN064 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is an issue with reading the columns of a specified database table.
  Cause:
  The error can be caused by several factors, including:
  
  
  Database Connection Issues: There may be a problem with the connection to the database, such as incorrect credentials, network issues, or the database being down.
  
  
  Table or Schema Issues: The specified table or schema may not exist, or there may be permission issues preventing access to the table.
  
  
  Data Dictionary Issues: There could be inconsistencies or issues in the data dictionary that prevent the system from reading the table structure.
  
  
  Version Compatibility: The version of the database or the SAP system may not be compatible, leading to issues in reading the table definitions.
  
  
  Configuration Issues: Incorrect configuration settings in the SLT or data migration tool can lead to this error.
  
  
  Solution:
  To resolve the CNV_IUUC_DB_CONN064 error, you can take the following steps:
  
  
  Check Database Connection:
  
  Verify that the database is up and running.
  Check the connection parameters (hostname, port, username, password) in the SAP system.
  Test the connection to ensure it is working correctly.
  
  
  
  Verify Table Existence:
  
  Ensure that the specified table exists in the database.
  Check if the schema is correct and that the table is accessible.
  
  
  
  Check User Permissions:
  
  Ensure that the user account being used has the necessary permissions to read the table structure.
  
  
  
  Review Data Dictionary:
  
  Check for any inconsistencies in the data dictionary. You can use transaction codes like SE11 or SE14 to analyze the table definitions.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings in the SLT or data migration tool to ensure they are set up correctly.
  
  
  
  Consult Logs:
  
  Look at the logs for more detailed error messages that can provide additional context about the issue.
  
  
  
  Update or Patch:
  
  Ensure that your SAP system and database are up to date with the latest patches and updates, as this can resolve compatibility issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SLT Configuration.
  Documentation: Refer to SAP Help Portal for documentation on SLT and data migration processes.
  Community Forums: Check SAP Community or other forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the CNV_IUUC_DB_CONN064 error effectively.