How To Fix SWDP_WB_TOOL157 - Typing method of & changed to Ref To

SWDP_WB_TOOL157 - Overview

• Message type: E = Error

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

• Message number: 157

• Message text: Typing method of & changed to Ref To

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL157 - Typing method of & changed to Ref To ?

  The SAP error message SWDP_WB_TOOL157, which states "Typing method of & changed to Ref To," typically occurs in the context of SAP Web Dynpro development. This message indicates that the typing method of a certain object (like a data element or a structure) has been changed from a value type to a reference type. This can happen due to various reasons, such as changes in the underlying data model or inconsistencies in the definitions of data types.
  
  Cause:
  
  Data Type Changes: The underlying data type of a variable or structure has been modified, leading to a change in its typing method.
  Inconsistent Definitions: There may be inconsistencies in the definitions of data types across different components or contexts.
  Model Changes: Changes in the data model or the way data is structured in the application can trigger this message.
  
  
  Solution:
  
  Review Data Types: Check the data types involved in the context of the error. Ensure that they