How To Fix /SCWM/RF_ENH019 - Screen already exists; choose a different screen number

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/RF_ENH -

• Message number: 019

• Message text: Screen already exists; choose a different screen number

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/RF_ENH019 - Screen already exists; choose a different screen number ?

  The SAP error message /SCWM/RF_ENH019 Screen already exists; choose a different screen number typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an attempt to create or modify a screen that already exists in the system. This can happen when customizing or enhancing the RF (Radio Frequency) interface for warehouse operations.
  Cause:
  
  Duplicate Screen Number: The error indicates that the screen number you are trying to create or modify is already in use. Each screen in the RF interface must have a unique identifier.
  Configuration Issues: There may be a misconfiguration in the RF screen settings or enhancements that lead to conflicts.
  Development or Customization: If you are developing custom RF screens or enhancements, you might have inadvertently reused an existing screen number.
  
  Solution:
  
  Check Existing Screens: Review the existing RF screens in the system to identify the screen number that is already in use. You can do this by navigating to the relevant configuration area in SAP EWM.
  Choose a Unique Screen Number: If you are creating a new screen, select a different, unique screen number that is not already assigned to another screen.
  Modify Existing Screen: If your intention was to modify an existing screen, ensure you are referencing the correct screen number and make the necessary changes to that screen instead of creating a new one.
  Consult Documentation: Refer to SAP documentation or notes related to RF screen configuration for guidance on best practices and naming conventions.
  Transport Requests: If this issue arises after a transport, ensure that the transport does not contain conflicting screen definitions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context on RF screen management.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  EWM Configuration Guide: Review the EWM configuration guide for detailed instructions on setting up RF screens and managing screen numbers.
  
  By following these steps, you should be able to resolve the error and successfully manage your RF screens in SAP EWM.