How To Fix AQ364 - Radio button group has only one parameter

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 364

• Message text: Radio button group has only one parameter

What causes this issue?

You have used the extra function 'RADIOBUTTON GROUP <grp>' to determine
a group of radio buttons. A group of this kind must have at least two
elements. Only one element has been created.

System Response

The element has been created.

How to fix this error?

You must determine at least one more parameter in this group before the
system is able to generate the InfoSet.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ364 - Radio button group has only one parameter ?

  The SAP error message AQ364, which states "Radio button group has only one parameter," typically occurs in the context of SAP ABAP programming, particularly when dealing with selection screens that include radio button groups. This error indicates that the radio button group defined in your selection screen has only one option, which is not valid because radio buttons are meant to allow the user to select one option from multiple choices.
  Cause:
  
  Single Radio Button: The radio button group is defined with only one radio button option. Radio buttons are designed to allow users to select one option from a set of two or more options.
  Incorrect Grouping: The radio buttons may not be correctly grouped, leading to the system interpreting them as a single option.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Add More Options: Ensure that your radio button group has at least two radio buttons defined. For example:
  PARAMETERS: p_option1 RADIOBUTTON GROUP rb1,
              p_option2 RADIOBUTTON GROUP rb1.
  
  
  Check Grouping: Make sure that all radio buttons that are meant to be part of the same group are correctly assigned to the same group name. This is done by using the GROUP attribute in the PARAMETERS or SELECT-OPTIONS statement.
  
  
  Review Logic: If your logic requires only one option, consider using a checkbox instead of radio buttons, as checkboxes can represent a single option without the need for multiple choices.
  
  
  Testing: After making changes, test the selection screen to ensure that the radio buttons behave as expected and that the error message no longer appears.
  
  
  Related Information:
  
  Radio Button Grouping: In SAP ABAP, radio buttons are grouped using the GROUP attribute. All radio buttons in the same group will be mutually exclusive.
  User Interface Design: When designing user interfaces, ensure that the use of radio buttons is appropriate for the options being presented. If only one option is available, consider using a different UI element.
  Documentation: Refer to the SAP Help Portal or ABAP documentation for more details on creating selection screens and using radio buttons effectively.
  
  By following these steps, you should be able to resolve the AQ364 error and create a functional selection screen in your SAP application.