How To Fix /UI2/CORE_FES003 - Method &1 (&2) does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 003

• Message text: Method &1 (&2) does not exist

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 /UI2/CORE_FES003 - Method &1 (&2) does not exist ?

  The SAP error message /UI2/CORE_FES003 Method &1 (&2) does not exist typically indicates that there is an issue with the method being called in the context of SAP Fiori or UI5 applications. This error can occur for various reasons, and understanding the cause and finding a solution involves a few steps.
  Cause:
  
  
  Missing Method Implementation: The method specified in the error message does not exist in the corresponding class or service. This could be due to a missing implementation or a typo in the method name.
  
  
  Incorrect Service Binding: The service or OData model that the application is trying to access may not be correctly defined or bound, leading to the application looking for a method that is not available.
  
  
  Version Mismatch: There may be a version mismatch between the frontend and backend components. If the frontend is expecting a method that was introduced in a later version of the backend, this error can occur.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain methods, leading to this error.
  
  
  Transport Issues: If the application was recently transported from one system to another, there may be inconsistencies in the transport that could lead to missing methods.
  
  
  Solution:
  
  
  Check Method Existence: Verify that the method mentioned in the error message actually exists in the relevant class or service. You can do this by checking the ABAP class or the OData service definition in the SAP backend.
  
  
  Review Service Binding: Ensure that the OData service is correctly defined and that the application is properly bound to it. You can check the service in the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  
  
  Check Versions: Ensure that both the frontend and backend components are compatible and up to date. If there are discrepancies, consider updating the components to the latest version.
  
  
  Authorization Check: Verify that the user has the necessary authorizations to access the method. You can check this in the user roles and authorizations.
  
  
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the method call is failing.
  
  
  Consult Documentation: Review the SAP documentation or notes related to the specific version of the application you are using. There may be known issues or patches available.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /IWFND/MAINT_SERVICE for OData service maintenance and /UI2/FLP for Fiori Launchpad configuration.
  SAP Notes: Search for SAP Notes related to the specific error message or the components you are working with. SAP Notes often provide solutions or workarounds for known issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the /UI2/CORE_FES003 Method &1 (&2) does not exist error in your SAP environment.