How To Fix S_WBEM020 - GET_REFERENCE_COUNT supported for instances only (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: S_WBEM - WBEM Client API

• Message number: 020

• Message text: GET_REFERENCE_COUNT supported for instances only (&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 S_WBEM020 - GET_REFERENCE_COUNT supported for instances only (&1) ?

  The SAP error message S_WBEM020 "GET_REFERENCE_COUNT supported for instances only (&1)" typically occurs in the context of the SAP Web Services and Business Event Management (BEM) framework. This error indicates that the GET_REFERENCE_COUNT method is being called on a class or object that is not an instance, which is not supported.
  Cause:
  
  Incorrect Object Type: The error usually arises when the method is invoked on a class type rather than an instance of that class. The GET_REFERENCE_COUNT method is designed to work with instances that have references to other objects.
  Misconfiguration: There may be a misconfiguration in the way the objects or classes are defined in the system.
  Programming Error: If you are developing custom code or using a custom implementation, there might be a programming error where the method is being called incorrectly.
  
  Solution:
  
  Check Object Type: Ensure that the object you are passing to the GET_REFERENCE_COUNT method is indeed an instance and not a class type. You can do this by verifying the object type in your code or configuration.
  Review Code: If you are using custom code, review the logic to ensure that you are correctly instantiating objects before calling the method.
  Debugging: Use debugging tools to trace the execution flow and identify where the incorrect object type is being passed.
  Consult Documentation: Refer to the SAP documentation for the specific classes and methods you are using to ensure you are following the correct usage patterns.
  SAP Notes: Check for any relevant SAP Notes or updates that might address this issue or provide additional context.
  
  Related Information:
  
  SAP Web Services: Understanding how SAP handles web services and object instances can provide insights into the proper usage of methods like GET_REFERENCE_COUNT.
  Business Event Management: Familiarity with BEM concepts and how instances are managed can help in troubleshooting related issues.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.