How To Fix AQ721 - An icon can only be assigned to an icon field

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 721

• Message text: An icon can only be assigned to an icon field

Self-Explanatory Message

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• What is the cause and solution for SAP error message AQ721 - An icon can only be assigned to an icon field ?

  The SAP error message AQ721, which states "An icon can only be assigned to an icon field," typically occurs when there is an attempt to assign an icon to a field that is not designated to hold an icon. This error is often encountered in the context of SAP GUI programming, particularly when working with screen elements in ABAP (Advanced Business Application Programming).
  Cause:
  
  Incorrect Field Type: The field to which you are trying to assign an icon is not defined as an icon field. In SAP, only specific field types (like ICON or ICON_TEXT) can hold icons.
  Misconfiguration in Screen Layout: The screen layout may not be properly configured to include an icon field where you are trying to assign the icon.
  Programming Error: There may be a mistake in the ABAP code where the assignment is being made, such as trying to assign an icon to a standard text field.
  
  Solution:
  
  Check Field Definition: Ensure that the field you are trying to assign the icon to is defined as an icon field in the screen layout. You can do this by checking the screen attributes in the Screen Painter (SE80 or SE41).
  Modify the Code: If you are using ABAP code to assign the icon, make sure you are using the correct field type. For example, use a field of type ICON for icon assignments.
  DATA: lv_icon TYPE icon.
  lv_icon = 'ICON_NAME'.  " Replace 'ICON_NAME' with the actual icon name
  
  Review Screen Layout: If you are using a custom screen, review the layout to ensure that the field is correctly set up to display icons.
  Use Correct Function Modules: If you are using function modules or methods to set icons, ensure that they are appropriate for the field type you are working with.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal for detailed information on screen programming and field types.
  ABAP Development: Familiarize yourself with ABAP programming concepts, especially regarding screen elements and their properties.
  SAP Community: Engage with the SAP Community forums for discussions and solutions related to similar issues.
  
  By following these steps, you should be able to resolve the AQ721 error and successfully assign icons to the appropriate fields in your SAP application.