How To Fix SLEI_GEN018 - Existing method &1 in facade class &2 is inconsistent

SLEI_GEN018 - Overview

• Message type: E = Error

• Message class: SLEI_GEN - Message Texts for Business Event Facade Generation

• Message number: 018

• Message text: Existing method &1 in facade class &2 is inconsistent

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 SLEI_GEN018 - Existing method &1 in facade class &2 is inconsistent ?

  The SAP error message SLEI_GEN018 indicates that there is an inconsistency in a method defined in a facade class. This typically occurs in the context of SAP's Business Application Programming Interfaces (BAPIs) or when working with the SAP Gateway and OData services.
  
  Cause:
  The error can arise due to several reasons, including:
  
  
  Inconsistent Method Implementation: The method defined in the facade class does not match the expected signature or behavior. This could be due to changes in the underlying data model or business logic that have not been reflected in the facade.
  
  
  Missing or Incorrect Annotations: If the method is supposed to be exposed as an OData service, missing or incorrect annotations can lead to inconsistencies.
  
  
  Changes in the Data Model: If there have been recent changes to the underlying data model (like changes in database tables or structures), the facade class may not have been updated accordingly.
  
  
  Transport Issues: If the code was transported from