How To Fix CNV_DMC_WDA012 - Activity &1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_WDA - Messages used in WDA UI

• Message number: 012

• Message text: Activity &1 is not valid

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_WDA012 - Activity &1 is not valid ?

  The SAP error message CNV_DMC_WDA012 indicates that an activity specified in the Data Migration Cockpit (DMC) is not valid. This error typically arises during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other related tools.
  Cause:
  
  Invalid Activity Reference: The activity ID provided in the migration process does not exist or is not recognized by the system.
  Configuration Issues: There may be issues with the configuration of the migration project or the activities defined within it.
  Data Consistency: The activity may have been deleted or modified in a way that makes it no longer valid.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the specified activity.
  
  Solution:
  
  Verify Activity ID: Check the activity ID you are using to ensure it is correct and exists in the system. You can do this by navigating to the relevant configuration or migration project.
  Check Configuration: Review the configuration settings of your migration project to ensure that all activities are properly defined and active.
  Recreate Activity: If the activity has been deleted or is corrupted, consider recreating it or restoring it from a backup if available.
  User Authorizations: Ensure that the user executing the migration has the necessary authorizations to access and execute the specified activity.
  Consult Documentation: Refer to the official SAP documentation for the Data Migration Cockpit to ensure that you are following the correct procedures and using valid activity IDs.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Help Portal: The SAP Help Portal provides detailed documentation on the Data Migration Cockpit and its functionalities.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) to manage and monitor migration activities.
  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 identify the cause of the error and implement a solution to resolve it.