How To Fix SWDP_WB_TOOL202 - Only one attribute can be mapped to attribute &1

SWDP_WB_TOOL202 - Overview

• Message type: E = Error

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

• Message number: 202

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

What causes this issue?

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

System Response

The system rejects the mapping function.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL202 - Only one attribute can be mapped to attribute &1 ?

  The SAP error message SWDP_WB_TOOL202, which states "Only one attribute can be mapped to attribute &1," typically occurs in the context of SAP Web Dynpro development, particularly when working with the mapping of attributes in a model or view.
  
  Cause:
  This error arises when you attempt to map multiple attributes to a single target attribute in a Web Dynpro component. In SAP Web Dynpro, each target attribute can only be associated with one source attribute. If you try to map more than one source attribute to the same target attribute, the system will throw this error.
  
  Solution:
  To resolve this error, you need to review the mappings in your Web Dynpro component and ensure that each target attribute is only mapped to a single source attribute. Here are the steps to troubleshoot and fix the issue:
  
  
  Open the Web Dynpro Component: Go to the Web Dynpro component where the error is occurring.
  
  
  Check the Mappings: Navigate