How To Fix CNV_MBT_46002 - Database access failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 002

• Message text: Database access 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.

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_MBT_46002 - Database access failed ?

  The SAP error message CNV_MBT_46002: Database access failed typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was an issue accessing the database, which can stem from various causes.
  Possible Causes:
  
  Database Connection Issues: The connection to the database may be interrupted or misconfigured.
  Insufficient Permissions: The user executing the migration may not have the necessary permissions to access the required database tables or views.
  Database Locking: The database might be locked due to other transactions or processes, preventing access.
  Data Consistency Issues: There may be inconsistencies or corruption in the data that the migration tool is trying to access.
  Configuration Errors: Incorrect settings in the migration tool or the database configuration can lead to access failures.
  Resource Limitations: The database server may be running out of resources (e.g., memory, CPU) to handle the request.
  
  Solutions:
  
  Check Database Connection: Verify that the database connection settings are correct and that the database is up and running.
  Review User Permissions: Ensure that the user executing the migration has the necessary permissions to access the relevant database objects.
  Check for Locks: Use database management tools to check for any locks on the tables being accessed and resolve them if necessary.
  Data Validation: Run data validation checks to ensure that the data being migrated is consistent and not corrupted.
  Configuration Review: Review the configuration settings of the migration tool and the database to ensure they are set up correctly.
  Monitor Resource Usage: Check the resource usage on the database server and optimize it if necessary. This may involve increasing memory or CPU allocation.
  Consult Logs: Look at the application and database logs for more detailed error messages that can provide additional context for the failure.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Documentation: Review the official SAP documentation for the migration tool you are using to ensure that all prerequisites and configurations are met.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and found solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.