How To Fix ADT_WDY_COMMON004 - Controller &1 already exists in component &2

ADT_WDY_COMMON004 - Overview

• Message type: E = Error

• Message class: ADT_WDY_COMMON - Message Class for Webdynpro ABAP Resource Controllers

• Message number: 004

• Message text: Controller &1 already exists in component &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ADT_WDY_COMMON004 - Controller &1 already exists in component &2 ?

  The SAP error message ADT_WDY_COMMON004 indicates that there is an attempt to create a controller that already exists within a specific component. This error typically arises in the context of SAP Web Dynpro applications, where controllers are used to manage the application's logic and data.
  
  Cause:
  The error occurs when:
  
  You are trying to create a new controller with a name that is already in use within the specified component.
  There may be a naming conflict due to a previously created controller that has not been deleted or renamed.
  The development environment might be trying to create a duplicate entry due to a misconfiguration or a bug.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Controllers:
  
  Navigate to the component in question and check the list of existing controllers. Ensure that the controller you are trying to create does not already exist.
  
  
  
  Rename or Delete:
  
  If a controller with the same name exists and is not