How To Fix DMC_GENERAL078 - Please choose a valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 078

• Message text: Please choose a valid line

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 DMC_GENERAL078 - Please choose a valid line ?

  The SAP error message DMC_GENERAL078: "Please choose a valid line" typically occurs in the context of data management or data migration processes, particularly when using tools like SAP Data Migration Cockpit (DMC) or SAP S/4HANA Migration Cockpit. This error indicates that the system expects a valid selection or entry, but the user has not provided one.
  Causes:
  
  No Selection Made: The user may not have selected any line or entry in a list or table where a selection is required.
  Invalid Selection: The selected line may not meet the criteria for the operation being performed, such as being in an incorrect status or not being applicable for the current action.
  Data Integrity Issues: There may be issues with the data being processed, such as missing mandatory fields or incorrect data formats.
  User Permissions: The user may not have the necessary permissions to access or modify the selected line.
  
  Solutions:
  
  Make a Valid Selection: Ensure that you select a valid line from the list or table. Check if the line is highlighted or marked correctly.
  Check Data Validity: Review the data entries to ensure that all required fields are filled out correctly and that the data adheres to the expected formats.
  Refresh the Screen: Sometimes, refreshing the screen or reloading the data can resolve temporary glitches.
  Review User Permissions: Ensure that you have the necessary permissions to perform the action on the selected line. If not, contact your system administrator.
  Consult Documentation: Refer to the SAP documentation or help resources for specific guidance related to the DMC or the particular transaction you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  Transaction Logs: Review transaction logs or error logs for more detailed information about what might be causing the error.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.