How To Fix W0CSRS039 - Select one selection box as a default value

SAP Error Message - Details

• Message type: E = Error

• Message class: W0CSRS - Customizing - SAP Retail Store

• Message number: 039

• Message text: Select one selection box as a default value

Self-Explanatory Message

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• What is the cause and solution for SAP error message W0CSRS039 - Select one selection box as a default value ?

  SAP Error Message:
  
  W0CSRS039 – Select one selection box as a default value
  
  Cause:
  This warning message appears when you are working with selection screens or variants in SAP, specifically when defining selection criteria or parameters. The system expects that at least one selection box (checkbox or selection option) is set as a default value to ensure that the selection screen behaves correctly and that the user has a predefined choice.
  In other words, the system requires that among the selection options presented, one must be pre-selected (defaulted) so that the selection screen is not left ambiguous or empty by default.
  
  When does it occur?
  
  When creating or maintaining selection variants.
  When defining selection screen parameters or selection options in reports or transactions.
  When customizing or configuring selection screens in ABAP programs or SAP standard transactions.
  
  
  Solution:
  
  
  Set a default selection box:
  
  Go to the selection screen or variant maintenance and mark one of the selection boxes (checkboxes or radio buttons) as the default value. This means the checkbox is checked by default or the radio button is pre-selected.
  
  
  Check variant settings:
  
  If you are working with variants, ensure that the variant has at least one selection box selected as default.
  
  
  Adjust selection screen code (if custom):
  
  If you are developing or modifying an ABAP report or selection screen, make sure that the selection options have a default value assigned in the code, for example:
  PARAMETERS: p_option RADIOBUTTON GROUP rad1 DEFAULT 'X'.
  or
  SELECT-OPTIONS: s_matnr FOR mara-matnr DEFAULT '000000000000000001'.
  
  
  
  Related Information:
  
  Selection Screens: SAP selection screens require clear default values to avoid confusion and to guide users.
  Variants: Variants store default values for selection screens; missing defaults can cause this warning.
  ABAP Programming: When coding selection screens, always assign default values to parameters or select-options to avoid this warning.
  Transaction Codes: This message can appear in various transactions that use selection screens, such as report executions (SE38, SA38), or custom transactions.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Message
  W0CSRS039 – Select one selection box as a default value
  
  
  Cause
  No default selection box is set on the selection screen or variant
  
  
  Solution
  Set one selection box (checkbox/radio button) as default selected
  
  
  Related
  Selection screens, variants, ABAP parameters, report execution
  
  
  
  
  If you provide the context (transaction or program) where you encountered this message, I can help with more specific instructions.