How To Fix BM020 - Place the cursor on a valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: BM - Development class BZME - units of measure

• Message number: 020

• Message text: Place the cursor on a valid line

What causes this issue?

You attempted to go to the detail screen of a measurement unit or
select a measurement unit without positioning the cursor on the
appropriate line.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Position the cursor on the desired mesurement unit and call the
function again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BM020 - Place the cursor on a valid line ?

  The SAP error message BM020 ("Place the cursor on a valid line") typically occurs in the context of transaction processing where the system expects the user to select a valid line item in a list or table before proceeding with an action. This error is common in various SAP modules, especially in those dealing with document processing, such as purchasing or inventory management.
  Cause:
  The error is triggered when:
  
  The user attempts to perform an action (like editing, deleting, or processing) without having a valid line item selected.
  The cursor is not positioned on a line that the system recognizes as valid for the intended operation.
  The list or table may be empty, or the selected line may not meet the criteria for the action being attempted.
  
  Solution:
  To resolve the BM020 error, follow these steps:
  
  Select a Valid Line: Ensure that you have clicked on a valid line item in the list or table. The line should be highlighted or selected before you attempt to perform any action.
  Check for Empty Lists: If the list is empty, you will need to ensure that there are items available for selection. You may need to refresh the list or check the criteria used to filter the items.
  Review Permissions: Ensure that you have the necessary permissions to perform actions on the selected line item. If you suspect permission issues, consult with your SAP administrator.
  Use the Correct Transaction: Make sure you are in the correct transaction or screen that allows for the action you are trying to perform. Sometimes, navigating to a different screen can help.
  Consult Documentation: If you are unsure about the valid actions for the selected line, refer to the SAP documentation or help resources for guidance on the specific transaction you are using.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), or others where line items are involved.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or module you are working with.
  User Training: If this error occurs frequently, consider providing additional training for users on how to navigate and select items within SAP.
  
  If the problem persists after following these steps, it may be beneficial to contact your SAP support team for further assistance.