How To Fix CNV_DMC_MC_EXCEPTION124 - Workstep is not valid in the Migration Cockpit

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC_EXCEPTION - Exception texts of Migration Object Modeller

• Message number: 124

• Message text: Workstep is not valid in the Migration Cockpit

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_DMC_MC_EXCEPTION124 - Workstep is not valid in the Migration Cockpit ?

  The SAP error message CNV_DMC_MC_EXCEPTION124 indicates that a specific workstep is not valid in the Migration Cockpit. This error typically arises during data migration processes when using the SAP Migration Cockpit (MC) tool, which is part of the SAP S/4HANA migration process.
  Causes:
  
  Invalid Workstep Configuration: The workstep you are trying to execute may not be configured correctly or may not be applicable for the current migration scenario.
  Incompatible Data: The data being processed may not meet the requirements for the specific workstep, leading to its invalidation.
  Version Mismatch: There may be a mismatch between the version of the Migration Cockpit and the data model or migration object you are using.
  Missing Authorizations: The user executing the migration may not have the necessary authorizations to perform the workstep.
  Technical Issues: There could be underlying technical issues, such as system inconsistencies or bugs in the Migration Cockpit.
  
  Solutions:
  
  Check Workstep Configuration: Review the configuration of the workstep in the Migration Cockpit. Ensure that it is set up correctly and is appropriate for the data you are migrating.
  Validate Data: Ensure that the data being migrated is valid and meets the requirements of the workstep. You may need to clean or transform the data before migration.
  Update Migration Cockpit: Ensure that you are using the latest version of the Migration Cockpit. If there are updates or patches available, apply them to resolve any potential bugs.
  Review Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to execute the workstep.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Log Analysis: Analyze the logs generated during the migration process to identify any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Help Portal: The SAP Help Portal provides documentation on the Migration Cockpit, including detailed information on worksteps and migration objects.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to diagnose and resolve the CNV_DMC_MC_EXCEPTION124 error in the Migration Cockpit.