How To Fix /UI2/CORE_FES002 - Class &1 does not exist

/UI2/CORE_FES002 - Overview

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 002

• Message text: Class &1 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_FES002 - Class &1 does not exist ?

  The SAP error message /UI2/CORE_FES002 Class &1 does not exist typically indicates that the system is unable to find a specific class that is required for the functionality you are trying to access. This error is often related to the SAP Fiori/UI5 framework, which relies on various classes and components to render applications.
  
  Cause:
  
  
  Missing Class: The specified class (denoted by &1 in the error message) is not available in the system. This could be due to:
  
  The class not being activated.
  The class not being installed or transported correctly.
  A typo in the class name or incorrect configuration.
  
  
  
  System 
  Configuration Issues: There may be issues with the configuration of the SAP Fiori/UI5 environment, such as missing components or incorrect settings.
  
  
  Version Mismatch: The version of the SAP Fiori/UI5 components may not be compatible with the version of the backend system.
  
  
  
  Solution:
  
  
  Check Class Existence:
  
  Use transaction code SE24 (Class Builder) to check if the class exists in the system.