How To Fix WXPB118 - At least one row must remain in the layout

SAP Error Message - Details

• Message type: E = Error

• Message class: WXPB - MAP Messages: SAP R/3 Enterprise Add-On

• Message number: 118

• Message text: At least one row must remain in the layout

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WXPB118 - At least one row must remain in the layout ?

  Certainly! Here's a detailed explanation for the SAP error message WXPB118: "At least one row must remain in the layout":
  
  Error Message
  WXPB118: At least one row must remain in the layout
  
  Cause
  This error occurs when you attempt to delete or remove all rows from a layout in a SAP Web Dynpro application or a similar SAP UI component that uses a layout table or list. The system requires that the layout must contain at least one row; it cannot be completely empty.
  Common scenarios include:
  
  Trying to delete all entries from a table or list control in a Web Dynpro application.
  Modifying a layout dynamically and removing all rows, which is not allowed.
  Custom coding or user actions that result in an empty layout.
  
  
  Explanation
  SAP UI components that display tabular data or lists often require at least one row to be present to maintain the structure and avoid rendering issues. The error prevents the layout from becoming empty, which could cause UI inconsistencies or runtime errors.
  
  Solution
  To resolve this error, ensure that at least one row remains in the layout. Here are some approaches:
  
  
  Prevent Deletion of the Last Row:
  
  Modify the logic to disallow deleting the last remaining row.
  Add validation checks before deletion to ensure that the number of rows after deletion is at least one.
  
  
  
  Add a Placeholder Row:
  
  If the user deletes all meaningful rows, insert a placeholder or empty row to keep the layout non-empty.
  This placeholder can be a blank or default row that can be edited or removed later.
  
  
  
  Modify UI Logic:
  
  Adjust the UI logic to handle empty states differently, such as showing a message or disabling the table instead of removing all rows.
  
  
  
  Check Custom Code:
  
  If this error arises from custom Web Dynpro or ABAP code, review the code that manipulates the layout rows.
  Ensure that the code does not remove all rows or that it adds a default row if the last one is deleted.
  
  
  
  
  Related Information
  
  This message is common in Web Dynpro ABAP applications or any SAP UI technology that uses dynamic table layouts.
  The message is part of the standard SAP message class WXPB (Web Dynpro Programming).
  For developers, debugging the flow where rows are deleted or added will help identify why the layout becomes empty.
  SAP Notes or documentation related to Web Dynpro UI controls might provide additional guidance on handling empty layouts.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Attempt to delete all rows from a layout, leaving it empty.
  
  
  Effect
  SAP throws error WXPB118 to prevent empty layout.
  
  
  Solution
  Ensure at least one row remains by preventing deletion of the last row or adding a placeholder row.
  
  
  Context
  Common in Web Dynpro ABAP or SAP UI components with dynamic table layouts.
  
  
  
  
  If you provide more context (e.g., which transaction or application you are working with), I can help tailor the solution further.