How To Fix SWDP_WB_TOOL203 - Only one node can be mapped to node &1

SWDP_WB_TOOL203 - Overview

• Message type: E = Error

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

• Message number: 203

• Message text: Only one node can be mapped to node &1

What causes this issue?

You are trying to define mapping to a node &V1&. The original element
that is to be mapped to &V1& is not a node, but an attribute or a
recursion node.

System Response

The system rejects the mapping.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SWDP_WB_TOOL203 - Details

• The SAP error message SWDP_WB_TOOL203: Only one node can be mapped to node &1 typically occurs in the context of the SAP Web Dynpro development environment. This error indicates that there is an issue with the mapping of nodes in your Web Dynpro component, specifically that you are trying to map multiple nodes to a single node, which is not allowed.
  
  Cause:
  
  Incorrect Node Mapping: The error arises when you attempt to map more than one source node to a single target node in the context of data binding or model mapping.
  Model 
  Configuration Issues: There may be a misconfiguration in the data model where the relationships between nodes are not properly defined.
  Duplicate Mappings: You might have inadvertently created duplicate mappings in your Web Dynpro component.
  
  
  Solution:
  
  Review Node Mappings: Go to the Web Dynpro component in the SAP Web Dynpro Workbench and check the mappings between the nodes. Ensure that each target node is