How To Fix CNV_DMC_MC119 - Select a node first.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 119

• Message text: Select a node first.

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_DMC_MC119 - Select a node first. ?

  The SAP error message CNV_DMC_MC119: "Select a node first." typically occurs in the context of the SAP Data Migration Cockpit (DMC) or during data migration activities. This error indicates that the user is trying to perform an action that requires a specific node (or object) to be selected in the migration project tree, but no node has been selected.
  Cause:
  
  No Node Selected: The most common cause of this error is that the user has not selected any node in the migration project tree before attempting to execute an action (like starting a migration, viewing details, etc.).
  User Interface Issue: Sometimes, the user interface may not be responsive, or there may be a delay in loading the nodes, leading to the user attempting to perform an action prematurely.
  Permissions: In some cases, the user may not have the necessary permissions to select or interact with certain nodes.
  
  Solution:
  
  Select a Node: Ensure that you have selected a valid node in the migration project tree before attempting to perform any actions. Click on the desired node to highlight it.
  Refresh the Interface: If the nodes are not appearing correctly, try refreshing the interface or reloading the migration project to ensure all nodes are loaded properly.
  Check Permissions: Verify that you have the necessary permissions to access and select the nodes in the migration project. If you suspect a permissions issue, contact your system administrator.
  Consult Documentation: Refer to the SAP documentation or help resources related to the Data Migration Cockpit for specific guidance on navigating the interface and selecting nodes.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Tutorials: If you are new to the Data Migration Cockpit, consider reviewing training materials or tutorials that cover the basics of using the tool effectively.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.