How To Fix WFCS204 - List display: ALV classic

WFCS204 - Overview

• Message type: E = Error

• Message class: WFCS - Message Class for Store Forecasting (Dev. Package WFCS)

• Message number: 204

• Message text: List display: ALV classic

Self-Explanatory Message

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WFCS204 - Details

• SAP Error Message: WFCS204
  Text: List display: ALV classic
  
  Cause
  The error message WFCS204 typically occurs in SAP Workflow when the system tries to display a list using the ALV (ABAP List Viewer) in its classic mode, but the environment or the program expects a different ALV display method or the ALV object is not properly instantiated.
  In many cases, this message is informational or a warning indicating that the list display is using the "ALV classic" mode rather than the newer ALV Grid or ALV Object Model. It can also appear if the ALV function module or class used is outdated or incompatible with the current SAP GUI or workflow context.
  
  When does it occur?
  
  When a workflow step or a report tries to display a list using an ALV function module or class that triggers the classic ALV display.
  When the ALV container or grid is not properly created or the display method is not