How To Fix OIUE2023 - Error creating instance of class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OIUE2 - Process 2.0 Message Class

• Message number: 023

• Message text: Error creating instance of class &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OIUE2023 - Error creating instance of class &1 ?

  The SAP error message OIUE2023, which states "Error creating instance of class &1," typically occurs in the context of SAP's Object Management System (OMS) or when dealing with Business Object Processing. This error indicates that the system is unable to instantiate a specific class, which can be due to various reasons.
  Causes:
  
  Class Not Found: The specified class (&1) may not exist in the system or may not be properly defined.
  Authorization Issues: The user may not have the necessary authorizations to access or instantiate the class.
  Configuration Issues: There may be configuration problems in the system that prevent the class from being instantiated.
  Transport Issues: If the class was recently transported from another system, it may not have been transported correctly.
  Missing Dependencies: The class may depend on other classes or components that are not available or not activated.
  
  Solutions:
  
  Check Class Existence: Verify that the class specified in the error message exists in the system. You can do this by using transaction SE24 (Class Builder) to search for the class.
  Review Authorizations: Ensure that the user has the necessary authorizations to access and instantiate the class. This can be checked in transaction SU53 or by reviewing the user's roles and authorizations.
  Check Configuration: Review the configuration settings related to the class and ensure that everything is set up correctly.
  Transport Check: If the class was recently transported, check the transport logs to ensure that it was transported successfully and that all dependencies were included.
  Activate Dependencies: If the class has dependencies on other classes or components, ensure that those are activated and available in the system.
  Debugging: If the issue persists, consider debugging the program or process that is trying to instantiate the class to identify the root cause.
  
  Related Information:
  
  Transaction Codes: SE24 (Class Builder), SE80 (Object Navigator), SU53 (Authorization Check), ST22 (Dump Analysis).
  SAP Notes: Check SAP Notes related to the specific class or error message for any known issues or patches.
  Documentation: Review the documentation for the specific class to understand its dependencies and requirements.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.