How To Fix WER154 - Method must have a return parameter

WER154 - Overview

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 154

• Message text: Method must have a return parameter

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 WER154 - Method must have a return parameter ?

  The SAP error message WER154: "Method must have a return parameter" typically occurs in the context of ABAP Objects (Object-Oriented ABAP) programming, specifically when defining or implementing methods in classes or interfaces.
  
  Cause
  
  The error WER154 arises when you define a method in an interface or class as a function method (i.e., a method that is supposed to return a value), but the method does not have a return parameter defined.
  In ABAP Objects, a method that is declared as a function method must have exactly one return parameter specified.
  If the method is declared as a subroutine method (void method), it should not have a return parameter.
  This error is often encountered during the creation or modification of methods in the Class Builder (transaction SE24) or Interface Builder.
  
  
  Explanation
  
  Function method: A method that returns a value. It must have a return parameter defined in the method signature.
  Subroutine method: A method that does not return a