How To Fix CNV_MBT_SHELL095 - Fetch from the database failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_SHELL - Shell Creation

• Message number: 095

• Message text: Fetch from the database failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_SHELL095 - Fetch from the database failed ?

  The SAP error message CNV_MBT_SHELL095: Fetch from the database failed typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system encountered an issue while trying to retrieve data from the database.
  Possible Causes:
  
  Database Connectivity Issues: There may be problems with the connection to the database, such as network issues or database server downtime.
  Insufficient Authorizations: The user executing the migration may not have the necessary permissions to access the required database tables or views.
  Data Consistency Issues: There may be inconsistencies or corruption in the data that is being fetched, leading to failures.
  Resource Limitations: The database server may be under heavy load or may not have sufficient resources (CPU, memory, etc.) to handle the request.
  Configuration Issues: Incorrect configuration settings in the migration tool or the database connection parameters can lead to this error.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Ensure that the database server is up and running.
  Verify network connectivity between the application server and the database server.
  
  
  
  Review User Authorizations:
  
  Check the authorizations of the user executing the migration. Ensure that they have the necessary permissions to access the relevant database objects.
  
  
  
  Examine Data Consistency:
  
  Run consistency checks on the data being migrated to identify and resolve any issues.
  Use transaction codes like SE11 or SE16 to inspect the relevant tables for anomalies.
  
  
  
  Monitor Database Performance:
  
  Check the performance metrics of the database server to ensure it is not overloaded.
  Consider optimizing queries or increasing resources if necessary.
  
  
  
  Review Configuration Settings:
  
  Double-check the configuration settings in the migration tool and ensure that they are correctly set up.
  Look for any recent changes in the system that might have affected the configuration.
  
  
  
  Check Logs for Detailed Errors:
  
  Review the application and database logs for more detailed error messages that can provide additional context about the failure.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches and updates.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (Dump Analysis), SM21 (System Log), and SLG1 (Application Log) to gather more information about the error.
  Migration Tools: Understand the specific migration tool being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) and refer to its documentation for troubleshooting steps.
  System Requirements: Ensure that your system meets the necessary requirements for the migration process, including database version compatibility.
  
  By following these steps, you should be able to diagnose and resolve the CNV_MBT_SHELL095 error effectively.