How To Fix SWDP_WB_TOOL231 - Root node cannot be used as a node to be repeated

SWDP_WB_TOOL231 - Overview

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 231

• Message text: Root node cannot be used as a node to be repeated

What causes this issue?

A recursion node is valid only if the node that is recurrent is assigned
to it. This node must be on the path from the root node to the recursion
node. This means, it must be its direct or indirect predecessor. The
root node CONTEXT, however, cannot itself be used as a recurrence node.
.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SWDP_WB_TOOL231 - Details

• The SAP error message SWDP_WB_TOOL231 indicates that there is an issue with the structure of a Web Dynpro application, specifically related to the use of nodes in the context of the Web Dynpro framework. The error message "Root node cannot be used as a node to be repeated" typically arises when there is an attempt to use the root node of a data model in a way that is not allowed, such as trying to repeat it in a UI element that expects a collection of items.
  
  Cause:
  
  Incorrect Node Configuration: The root node in a Web Dynpro application is not designed to be repeated. If you try to bind a UI element (like a table or a list) to the root node, the framework will throw this error because it expects a collection node for such UI elements.
  Data Model Structure: The data model may not be structured correctly. For example, if