How To Fix CNV_DMC_MC120 - Cannot use this option at this level; select a non-root structure node.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 120

• Message text: Cannot use this option at this level; select a non-root structure node.

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_MC120 - Cannot use this option at this level; select a non-root structure node. ?

  The SAP error message CNV_DMC_MC120 typically occurs in the context of data migration or conversion processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that the user is trying to perform an action that is not allowed at the current level of the data structure, specifically at the root node level.
  Cause:
  The error arises when:
  
  You are attempting to select or manipulate a root structure node in a way that is not permitted. For example, certain operations may only be valid for child nodes or specific sub-nodes within the data structure.
  The operation you are trying to perform requires a more granular selection than what is available at the root level.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Select a Non-Root Node: Instead of trying to perform the action at the root level, navigate to a specific child node or sub-node within the structure and perform the action there.
  Review Documentation: Check the SAP documentation or help resources related to the specific data migration or conversion process you are working on. This can provide insights into the correct structure and permissible actions.
  Check Configuration: Ensure that the configuration of your data migration project is set up correctly. Sometimes, the structure may not be properly defined, leading to such errors.
  Consult with SAP Support: If the issue persists, consider reaching out to SAP support or consulting with a colleague who has experience with the Data Migration Cockpit for further assistance.
  
  Related Information:
  
  SAP Data Migration Cockpit (DMC): This tool is used for migrating data from legacy systems to SAP systems. Understanding its structure and how to navigate it is crucial for successful data migration.
  Data Structure: Familiarize yourself with the data structure you are working with, including the hierarchy of nodes and the relationships between them.
  Error Logs: Check any error logs or detailed messages that may accompany the CNV_DMC_MC120 error for additional context or clues about what might be going wrong.
  
  By following these steps, you should be able to address the CNV_DMC_MC120 error and proceed with your data migration tasks.