How To Fix /SCWM/RF_EN199 - Select HU first

/SCWM/RF_EN199 - Overview

• Message type: E = Error

• Message class: /SCWM/RF_EN -

• Message number: 199

• Message text: Select HU first

Self-Explanatory Message

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/SCWM/RF_EN199 - Details

• The SAP error message /SCWM/RF_EN199 Select HU first typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when working with handling units (HUs) in the RF (Radio Frequency) environment. This error indicates that the system expects the user to select a handling unit before proceeding with the operation.
  
  Cause:
  The error is triggered when:
  
  The user attempts to perform an action (like picking, putting away, or confirming) without first selecting a handling unit.
  The system is configured to require a handling unit selection for the specific transaction being executed.
  There may be a misunderstanding of the RF process flow, where the user is expected to select an HU before executing further steps.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  Select a Handling Unit: Ensure that you are selecting a handling unit before proceeding with the operation. This can typically be done by scanning the barcode of the handling unit or selecting it