How To Fix SLS_LO_GAF_EWB155 - No reference screen defined: Field will remain invisible

SAP Error Message - Details

• Message type: E = Error

• Message class: SLS_LO_GAF_EWB - GAF Enh WB Msg for LO based FPM config sales UI

• Message number: 155

• Message text: No reference screen defined: Field will remain invisible

Self-Explanatory Message

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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 SLS_LO_GAF_EWB155 - No reference screen defined: Field will remain invisible ?

  The SAP error message SLS_LO_GAF_EWB155 indicates that there is no reference screen defined for a particular field in the application, which results in that field remaining invisible. This error typically occurs in the context of SAP's Logistics Execution or Sales and Distribution modules, particularly when dealing with the Extended Warehouse Management (EWM) or related functionalities.
  Cause:
  
  Missing Configuration: The most common cause of this error is that the field in question has not been properly configured in the system. This could be due to missing entries in the customizing settings or a lack of definition for the reference screen.
  Field Visibility Settings: The field may be set to invisible in the screen layout or field selection settings, which can lead to this error message.
  Transport Issues: If the configuration was recently transported from another system, it might not have been fully set up or might be missing some components.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant customizing transaction (e.g., SPRO) and navigate to the settings for the module you are working with (e.g., EWM, SD).
  Ensure that the field in question is properly defined and that a reference screen is assigned to it.
  
  
  
  Field Selection:
  
  Review the field selection settings for the transaction or screen where the error occurs. Make sure that the field is set to be visible.
  You can check this in the screen layout or field selection configuration.
  
  
  
  Screen Painter:
  
  If you have access to the Screen Painter (SE80), you can check the screen layout for the transaction and see if the field is included and properly configured.
  
  
  
  Transport Requests:
  
  If the issue arose after a transport, check the transport request to ensure that all necessary objects were included and that there were no errors during the transport process.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific module and version you are using. There may be specific notes addressing this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may have additional insights or patches available.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SE80 (Object Navigator), and SE11 (Data Dictionary) to help in troubleshooting.
  SAP Notes: Search for SAP Notes related to the error message or the specific module you are working with. SAP Notes often contain fixes or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to make the field visible as intended.