How To Fix CNV_IUUC_DB_CONN013 - An error has occurred (cx_subrc = &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 013

• Message text: An error has occurred (cx_subrc = &1)

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_IUUC_DB_CONN013 - An error has occurred (cx_subrc = &1) ?

  The SAP error message CNV_IUUC_DB_CONN013 typically indicates a database connection issue during a data migration or conversion process, particularly in the context of SAP's Landscape Transformation (SLT) or other data migration tools. The cx_subrc = &1 part of the message indicates a specific return code that can provide more context about the nature of the error.
  Possible Causes:
  
  Database Connection Issues: The system may not be able to connect to the database due to incorrect connection parameters (hostname, port, username, password).
  Network Issues: There may be network connectivity problems between the SAP application server and the database server.
  Database Availability: The database might be down or not reachable.
  Authorization Issues: The user credentials used for the connection may not have the necessary permissions to access the database.
  Configuration Errors: There may be misconfigurations in the database connection settings in the SAP system.
  Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections.
  
  Solutions:
  
  Check Connection Parameters: Verify the database connection parameters in the SAP system (transaction DBACOCKPIT or SM59 for RFC connections).
  Test Database Connectivity: Use tools like ping or telnet to check if the database server is reachable from the SAP application server.
  Check Database Status: Ensure that the database is up and running. You may need to restart the database if it is down.
  Review User Permissions: Check if the user credentials used for the connection have the necessary permissions to access the database.
  Review Logs: Check the SAP application logs (transaction SM21) and database logs for any additional error messages that could provide more context.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Increase Resources: If resource limitations are suspected, consider increasing the resources available to the database server.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to CNV_IUUC_DB_CONN013 for specific guidance or patches.
  Documentation: Review the official SAP documentation for the data migration tool you are using (e.g., SLT, SAP Data Services).
  Community Forums: Check SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.