How To Fix CNV_DMC_MC016 - Select exactly one row

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_MC - Migration Object Modeler

• Message number: 016

• Message text: Select exactly one row

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_MC016 - Select exactly one row ?

  The SAP error message CNV_DMC_MC016: Select exactly one row 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 system expects the user to select a single row from a list or table, but either no rows or multiple rows have been selected.
  Cause:
  
  Multiple Selections: The user has selected more than one row when the system requires only one.
  No Selection: The user has not selected any row at all.
  Incorrect Filtering: The filtering criteria applied may not yield a single result, leading to either no rows or multiple rows being returned.
  User Interface Issue: Sometimes, the user interface may not behave as expected, leading to confusion about what is selected.
  
  Solution:
  
  Select One Row: Ensure that you select exactly one row from the list or table. If you have selected multiple rows, deselect them and select only one.
  Check Filters: Review any filters or search criteria you have applied to ensure they are set correctly to return a single row.
  Refresh the View: If you believe you should see a single row, try refreshing the view or re-running the query to ensure the data is up to date.
  Review Documentation: Check the SAP documentation or help resources related to the specific transaction or process you are working on for any additional guidance.
  Consult with Colleagues: If you are unsure about the selection, consult with colleagues or team members who may have experience with the specific data migration task.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently updates its knowledge base with solutions to common problems.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: Ensure that you have access to training materials or documentation specific to the SAP Data Migration Cockpit or the relevant module you are working with.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.