How To Fix WT520 - Position cursor on a line that is not empty

SAP Error Message - Details

• Message type: E = Error

• Message class: WT - Retail: Replenishment

• Message number: 520

• Message text: Position cursor on a line that is not empty

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WT520 - Position cursor on a line that is not empty ?

  SAP Error Message:
  
  WT520 - Position cursor on a line that is not empty
  
  Cause:
  This error occurs when you try to perform an action (such as editing, deleting, or processing) on a line in a warehouse task or transfer order that is empty or does not contain any data. Essentially, the system expects you to position the cursor on a line that has valid data (e.g., a warehouse task line with material and quantity), but the cursor is currently on a blank or empty line.
  
  When does it typically occur?
  
  While processing warehouse tasks (WT) in SAP Extended Warehouse Management (EWM) or Warehouse Management (WM).
  When trying to confirm or change a warehouse task line.
  When attempting to delete or modify a line that has no data.
  During picking or putaway activities where the system expects a valid line selection.
  
  
  Solution:
  
  
  Position the cursor correctly:
  
  Make sure the cursor is placed on a line that contains data (material, quantity, etc.) before performing the action.
  
  
  Check the line content:
  
  Verify that the line you want to process is not empty. If it is empty, select a valid line.
  
  
  Refresh the screen:
  
  Sometimes the screen might not have refreshed properly. Refresh or reload the transaction to ensure all data is displayed correctly.
  
  
  Check for system inconsistencies:
  
  If you believe the line should contain data but appears empty, check for inconsistencies or errors in the warehouse task or transfer order.
  
  
  Use correct transaction steps:
  
  Follow the standard process flow for warehouse task processing to avoid positioning errors.
  
  
  
  Additional Information:
  
  This message is a standard SAP message in WM/EWM modules.
  It is a user guidance message to prevent processing invalid or empty lines.
  If the problem persists despite correct cursor positioning, check for custom enhancements or user exits that might affect line processing.
  In some cases, this error can be related to screen layout or GUI issues; try using a different SAP GUI version or clearing the GUI cache.
  
  
  Summary:
  
  Cause: Cursor is on an empty line without data.
  Solution: Place the cursor on a non-empty line before proceeding.
  Related transactions: LT12, LT21, /SCWM/TO_CONF, /SCWM/PRDI, etc. (depending on WM or EWM).
  
  
  If you need help with a specific transaction or scenario, please provide more details!