How To Fix OO320 - Exception &1 &2 &3: Object type &1 or method &1 &2 missing

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 320

• Message text: Exception &1 &2 &3: Object type &1 or method &1 &2 missing

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message OO320 - Exception &1 &2 &3: Object type &1 or method &1 &2 missing ?

  The SAP error message OO320 indicates that there is an issue related to object-oriented programming in ABAP (Advanced Business Application Programming). Specifically, it suggests that a certain object type or method is missing, which can occur in various scenarios when working with classes, interfaces, or methods in SAP.
  Cause:
  The error message OO320 can be triggered by several factors, including:
  
  Missing Class or Interface: The specified class or interface does not exist in the system or is not activated.
  Missing Method: The method being called does not exist in the specified class or interface.
  Typographical Errors: There may be a typo in the object type or method name.
  Incorrect Namespace: The object might be in a different namespace that is not accessible from the current context.
  Transport Issues: If the object was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  To resolve the OO320 error, you can follow these steps:
  
  
  Check Object Existence:
  
  Verify that the class or interface specified in the error message exists in the system. You can do this by using transaction SE80 (Object Navigator) or SE24 (Class Builder).
  
  
  
  Check Method Definition:
  
  Ensure that the method being called is defined in the class or interface. If it is missing, you may need to implement it.
  
  
  
  Correct Typographical Errors:
  
  Double-check the spelling of the class, interface, and method names in your code to ensure there are no typos.
  
  
  
  Namespace Verification:
  
  If the object is in a different namespace, ensure that you have the necessary authorizations and that the namespace is correctly referenced.
  
  
  
  Activation:
  
  If the class or method was recently created or modified, ensure that it has been activated. You can activate it in the Class Builder (SE24) or the Object Navigator (SE80).
  
  
  
  Transport Check:
  
  If the object was transported from another system, check the transport logs to ensure that it was successfully imported and activated.
  
  
  
  Debugging:
  
  If the error occurs during runtime, consider using the debugger to trace the execution and identify where the error is being triggered.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SE80: Object Navigator
  SE24: Class Builder
  SE37: Function Module
  SE11: Data Dictionary
  
  
  Documentation: Refer to the SAP Help Portal for more information on object-oriented programming in ABAP.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues and solutions shared by other developers.
  
  By following these steps, you should be able to identify and resolve the cause of the OO320 error in your SAP system.