How To Fix WSD_MESSAGE066 - Select only one entry

SAP Error Message - Details

• Message type: E = Error

• Message class: WSD_MESSAGE - Message class for WSD

• Message number: 066

• Message text: Select only one entry

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSD_MESSAGE066 - Select only one entry ?

  SAP Error Message:
  
  WSD_MESSAGE066: Select only one entry
  
  Cause:
  This error occurs when a user is expected to select exactly one entry from a list or selection screen, but either no entry or multiple entries have been selected. The program or transaction requires a single, unique selection to proceed, and the current user input violates this rule.
  
  When does it typically occur?
  
  In selection screens or pop-up lists where the user must choose one item (e.g., selecting a single document, material, or business partner).
  When performing actions that logically apply to only one object at a time.
  In custom or standard SAP transactions where the logic enforces single selection for processing.
  
  
  Solution:
  
  Select exactly one entry: Review the list or selection screen and ensure that only one item is selected before proceeding.
  Deselect multiple entries: If multiple entries are selected, deselect all but one.
  Check default selections: Sometimes, default selections or filters may cause multiple entries to be pre-selected; adjust these accordingly.
  User training: Ensure users understand that only one entry should be selected in this context.
  Technical check (if applicable): If the error occurs despite selecting only one entry, there might be a UI or coding issue. In such cases:
  
  Check the selection logic in the program or screen.
  Debug the code to verify how selections are handled.
  Verify if any enhancements or user exits are interfering.
  
  
  
  
  Related Information:
  
  This message is a standard validation message to prevent ambiguous processing.
  It is often linked to selection tables or ALV grids where multiple rows can be selected.
  The message class WSD_MESSAGE suggests it might be related to Web Services or a specific module; however, the principle remains the same.
  If this error appears in a custom program, review the code where the selection is read, typically using statements like SELECT SINGLE or checking the number of selected rows.
  
  
  Example:
  If you are in a transaction where you must select a single sales order to display or edit, and you select two sales orders, the system will throw this error. Simply select one sales order and continue.
  
  If you provide the exact transaction or context where this error occurs, I can help with more specific guidance.