How To Fix CONTROL_COMPOSER_MSG004 - Invalid Control Name

SAP Error Message - Details

• Message type: E = Error

• Message class: CONTROL_COMPOSER_MSG - Control Composer

• Message number: 004

• Message text: Invalid Control Name

What causes this issue?

The control name can only contain letters, numbers and underscore. The
first character must be a letter.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CONTROL_COMPOSER_MSG004 - Invalid Control Name ?

  The SAP error message CONTROL_COMPOSER_MSG004: Invalid Control Name typically occurs in the context of SAP UI development, particularly when working with the SAP Web Dynpro or SAP Fiori applications. This error indicates that the system cannot find or recognize a control name that has been specified in the application.
  Causes:
  
  Typographical Errors: The control name specified in the code may contain typos or incorrect casing.
  Control Not Defined: The control may not be defined in the view or component where it is being referenced.
  Namespace Issues: If the control is part of a different namespace or library, it may not be accessible in the current context.
  Changes in Control Name: If the control name has been changed or removed in a recent update or modification, the reference may become invalid.
  Incorrect Binding: If the control is bound to a model or data source that is not correctly set up, it may lead to this error.
  
  Solutions:
  
  Check Control Name: Verify the control name in the code for any typographical errors. Ensure that it matches exactly with the defined control.
  Define Control: Ensure that the control is properly defined in the view or component. If it is missing, add the control definition.
  Namespace Verification: Check if the control belongs to a different namespace. If so, ensure that the correct namespace is being used in the code.
  Update References: If the control name has changed, update all references in the code to reflect the new name.
  Debugging: Use debugging tools to trace where the error occurs and check the context in which the control is being called.
  Check Bindings: Ensure that any data bindings associated with the control are correctly set up and that the data source is available.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Web Dynpro or Fiori for detailed information on controls and their usage.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or bugs related to this error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.