How To Fix SWDP_WB_TOOL216 - Mapping for attribute &1 cannot be defined

SWDP_WB_TOOL216 - Overview

• Message type: E = Error

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

• Message number: 216

• Message text: Mapping for attribute &1 cannot be defined

What causes this issue?

You want to define mapping for the attribute &V1&. This is
currently not supported.

System Response

The system rejects the action.

How to fix this error?

Mapping can only be defined between nodes.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL216 - Mapping for attribute &1 cannot be defined ?

  The SAP error message SWDP_WB_TOOL216, which states "Mapping for attribute &1 cannot be defined," typically occurs in the context of SAP Web Dynpro development, particularly when working with the Web Dynpro ABAP (WD ABAP) environment. This error indicates that there is an issue with the mapping of an attribute in your Web Dynpro component.
  
  Cause:
  
  Attribute Not Defined: The attribute specified by &1 may not be defined in the context node or the data model.
  Incorrect Mapping: There may be an attempt to map an attribute that does not exist or is not compatible with the target context.
  Data Type Mismatch: The data types of the source and target attributes may not match, leading to mapping issues.
  Context Node Issues: The context node from which you are trying to map the attribute may not be properly configured or may not be active.
  Model Changes: If there have been recent changes to the data model or context