How To Fix IST0005 - Class & no longer exists, due to class update

SAP Error Message - Details

• Message type: E = Error

• Message class: IST0 - General Messages IS Telecommunications

• Message number: 005

• Message text: Class & no longer exists, due to class update

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 IST0005 - Class & no longer exists, due to class update ?

  The SAP error message IST0005, which states "Class & no longer exists, due to class update," typically occurs when a class that is being referenced in the system has been deleted or modified in a way that makes it unavailable. This can happen due to various reasons, such as changes in the system configuration, updates to the class structure, or changes in the underlying data model.
  Cause:
  
  Class Deletion: The class that is being referenced has been deleted from the system.
  Class Modification: The class has been modified, and the changes have rendered the previous references invalid.
  Transport Issues: If the class was part of a transport request that was not properly imported, it may lead to this error.
  Data Consistency Issues: There may be inconsistencies in the data where references to the class still exist, but the class itself does not.
  
  Solution:
  
  Check Class Existence: Verify if the class still exists in the system. You can do this by navigating to the class in the SAP GUI (Transaction Code: CL02 for display).
  Recreate or Restore Class: If the class has been deleted, you may need to recreate it or restore it from a backup if available.
  Update References: If the class has been modified, ensure that all references to the class in your programs, configurations, or data are updated to reflect the changes.
  Transport Management: If the issue is related to transport, ensure that all relevant transports have been correctly imported into the system.
  Data Cleanup: If there are orphaned references in the database, you may need to clean up the data to remove any invalid references to the deleted or modified class.
  Consult Documentation: Review any documentation or change logs related to the class to understand what changes were made and how they might affect existing references.
  
  Related Information:
  
  Transaction Codes: 
  
  CL02: Display Class
  CL03: Display Class with Hierarchy
  SE80: Object Navigator (to check for related objects)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the invalid reference is being called.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves complex custom developments or configurations.
  
  By following these steps, you should be able to diagnose and resolve the IST0005 error in your SAP system.