How To Fix CNV_IUUC_DB_CONN115 - Failed to read schema list

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 115

• Message text: Failed to read schema list

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN115 - Failed to read schema list ?

  The SAP error message CNV_IUUC_DB_CONN115: Failed to read schema list typically occurs in the context of data migration or system conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates that the system is unable to retrieve the list of database schemas, which can be due to various reasons.
  Causes:
  
  Database Connection Issues: The connection to the database may not be established correctly. This could be due to incorrect connection parameters, network issues, or database server downtime.
  Insufficient Permissions: The user account being used to connect to the database may not have the necessary permissions to read the schema information.
  Database Configuration: There may be issues with the database configuration or settings that prevent schema access.
  Database Driver Issues: The database driver being used may not be compatible or properly configured.
  SAP Notes or Patches: There may be known issues with the version of SAP you are using that have been addressed in SAP Notes or patches.
  
  Solutions:
  
  
  Check Database Connection:
  
  Verify the connection parameters (hostname, port, username, password) in the configuration.
  Test the connection using a database client tool to ensure it is reachable.
  
  
  
  Review User Permissions:
  
  Ensure that the user account has the necessary permissions to access the database schemas. This may involve granting additional roles or privileges.
  
  
  
  Database Configuration:
  
  Check the database configuration settings to ensure that they are correct and that the database is running properly.
  
  
  
  Update Database Drivers:
  
  Ensure that you are using the correct and latest version of the database drivers compatible with your SAP system.
  
  
  
  Check SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. Apply any recommended patches or updates.
  
  
  
  Review Logs:
  
  Check the application and database logs for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the relevant SAP services or the database can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the error message. This can provide insights into known issues and fixes.
  Documentation: Review the official SAP documentation for the tools you are using (e.g., SLT, Data Services) for any configuration guidelines or troubleshooting steps.
  Community Forums: Consider checking SAP Community forums or other technical forums where similar issues may have been discussed.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.