How To Fix SLEI_GEN021 - Creation of method &1 in facade class &2 failed

SLEI_GEN021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: Creation of method &1 in facade class &2 failed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLEI_GEN021 - Creation of method &1 in facade class &2 failed ?

  The SAP error message SLEI_GEN021 indicates that there was a failure in creating a method in a facade class. This error 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 be caused by several factors, including:
  
  Naming Conflicts: The method name you are trying to create may already exist in the facade class or may conflict with reserved names.
  Syntax Errors: There may be syntax errors in the code that prevent the method from being created.
  Authorization Issues: The user may not have the necessary authorizations to create or modify the facade class.
  Technical Issues: There could be underlying technical issues, such as problems with the transport layer or system inconsistencies.
  Missing Dependencies: The method may depend on other components or classes that are not available or not properly configured.
  
  Solution
  To resolve the error, you can take the following steps:
  
  Check Method