How To Fix OO779 - Instance generation terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 779

• Message text: Instance generation terminated

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 OO779 - Instance generation terminated ?

  The SAP error message OO779, which states "Instance generation terminated," typically occurs during the generation of instances for a class or an object in the Object-Oriented (OO) programming environment of SAP. This error can arise due to various reasons, and understanding the cause is crucial for finding a solution.
  Causes of OO779 Error
  
  
  Syntax Errors: There may be syntax errors in the class definition or in the methods that are being called during instance generation.
  
  
  Missing Dependencies: The class may depend on other classes or components that are not available or not activated.
  
  
  Incorrect Configuration: The configuration settings for the class or the environment may be incorrect, leading to issues during instance generation.
  
  
  Memory Issues: Insufficient memory or resources on the application server can also lead to this error.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create instances of the class.
  
  
  Runtime Errors: There may be runtime errors in the methods that are executed during the instance generation process.
  
  
  Solutions to OO779 Error
  
  
  Check Syntax: Review the class definition and methods for any syntax errors. Use the ABAP Editor (SE38 or SE80) to check for errors.
  
  
  Activate Dependencies: Ensure that all dependent classes and components are activated. You can check the activation status in the Class Builder (SE24).
  
  
  Review Configuration: Verify the configuration settings related to the class and ensure they are correct.
  
  
  Monitor System Resources: Check the system's memory and resource usage. If necessary, increase the available resources or restart the application server.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to create instances of the class. You can check this in transaction SU53 or by consulting with your security team.
  
  
  Debugging: If the issue persists, consider debugging the class to identify any runtime errors. You can set breakpoints in the class methods to trace the execution flow.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE24 (Class Builder), SE80 (Object Navigator), and SE38 (ABAP Editor) for debugging and checking class definitions.
  
  
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  
  
  Documentation: Refer to the official SAP documentation for Object-Oriented ABAP programming for best practices and guidelines.
  
  
  By following these steps, you should be able to identify the cause of the OO779 error and implement a suitable solution. If the problem persists, consider reaching out to SAP support for further assistance.