How To Fix SWDP_WB_TOOL251 - Attribute &1: Mapping type &2 is not allowed

SWDP_WB_TOOL251 - Overview

• Message type: E = Error

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

• Message number: 251

• Message text: Attribute &1: Mapping type &2 is not allowed

What causes this issue?

Allowed values for the mapping type of an attribute are:
None (not assigned)
Assigned
These values have the internal codings 00 and 02.
The &V1& attribute, however, has a mapping type with the internal coding
&V2&.

System Response

Error message for syntax analysis.

How to fix this error?

Assign an allowed mapping type to the attribute.

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_TOOL251 - Attribute &1: Mapping type &2 is not allowed ?

  The SAP error message SWDP_WB_TOOL251, which states "Attribute &1: Mapping type &2 is not allowed," typically occurs in the context of SAP Web Dynpro development, particularly when dealing with the mapping of attributes in the context of data binding or model configuration.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Invalid Mapping Type: The mapping type specified for the attribute is not compatible with the data type or the context in which it is being used. For example, trying to map a complex type to a simple type or vice versa.
  
  
  Incorrect Configuration: The configuration of the Web Dynpro component or the data model may not be set up correctly, leading to an invalid mapping scenario.
  
  
  Data Type Mismatch: There may be a mismatch between the expected data type of the attribute and the actual data type being provided in the mapping.
  
  
  Unsupported Operations: Certain operations or mappings may not be supported