How To Fix VL851 - Select a valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: VL -

• Message number: 851

• Message text: Select 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 VL851 - Select a valid line ?

  The SAP error message VL851 "Select a valid line" typically occurs in the context of the delivery processing in the SAP system, particularly when working with transactions related to outbound deliveries (like VL01N, VL02N, etc.). This error indicates that the system expects a valid selection of items or lines in the delivery document, but the selection made by the user is either invalid or incomplete.
  Causes:
  
  No Line Selected: The user may not have selected any line item in the delivery document.
  Invalid Line Item: The selected line item may not be valid for the operation being performed (e.g., it may be already processed, canceled, or not available).
  Document Status: The delivery document may be in a status that does not allow further processing (e.g., it may be blocked or already completed).
  User Authorization: The user may not have the necessary authorizations to process the selected line item.
  Data Integrity Issues: There may be issues with the data integrity of the delivery document, such as missing or incorrect information.
  
  Solutions:
  
  Select a Valid Line: Ensure that you have selected a valid line item in the delivery document. Check if the line is active and available for processing.
  Check Document Status: Verify the status of the delivery document. If it is blocked or completed, you may need to take appropriate actions to unblock it or create a new delivery.
  Review Authorizations: Ensure that you have the necessary authorizations to perform the action on the selected line item. If not, contact your SAP security administrator.
  Refresh the Screen: Sometimes, refreshing the screen or reloading the document can resolve temporary glitches.
  Consult with IT Support: If the issue persists, it may be necessary to consult with your IT support team or SAP Basis team to investigate further, especially if there are data integrity issues.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes related to delivery processing, such as VL01N (Create Outbound Delivery), VL02N (Change Outbound Delivery), and VL03N (Display Outbound Delivery).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide specific guidance or fixes for known bugs.
  Documentation: Refer to SAP documentation or help files for more information on outbound delivery processing and error handling.
  
  If you continue to experience issues, it may be beneficial to provide specific details about the context in which the error occurs, as this can help in diagnosing the problem more accurately.