How To Fix CNV454 - The generator is active in client &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 454

• Message text: The generator is active in client &

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 CNV454 - The generator is active in client & ?

  The SAP error message CNV454, which states "The generator is active in client &," typically occurs in the context of data migration or system conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a data migration generator is currently active in the specified client, which can prevent certain operations from being executed.
  Cause:
  
  Active Migration Generator: The primary cause of this error is that a migration generator (a tool or program used to facilitate data migration) is currently active in the specified client. This could be due to an ongoing migration process or an incomplete previous migration.
  Client-Specific Settings: The error is client-specific, meaning that the generator may be active in one client but not in others. This can happen if multiple clients are being used for testing or development.
  
  Solution:
  To resolve the CNV454 error, you can follow these steps:
  
  
  Check Active Generators:
  
  Use transaction code SE38 or SA38 to run the report CNV_XXXX_CHECK_GENERATOR (replace XXXX with the appropriate project name) to check for active generators in the client.
  Alternatively, you can check the status of the migration generator in the relevant transaction or tool you are using.
  
  
  
  Deactivate the Generator:
  
  If you find that a generator is indeed active and you want to deactivate it, you can do so by using the appropriate transaction or report to stop the migration process.
  Ensure that you have the necessary authorizations to perform this action.
  
  
  
  Complete or Rollback Migration:
  
  If the migration process was interrupted or not completed, you may need to complete it or roll it back properly before attempting to run other processes.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or notes related to the specific migration tool you are using for additional guidance on handling this error.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue on your own, consider reaching out to SAP Support for assistance, especially if this is part of a larger migration project.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE38, SA38, and any specific migration-related transactions.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you understand its functionalities and how to manage migration projects effectively.
  SAP Notes: Check for any SAP Notes related to CNV454 or the specific migration tool you are using, as they may provide additional insights or solutions.
  
  By following these steps, you should be able to address the CNV454 error and proceed with your migration or conversion tasks.