How To Fix WZ831 - Method &1.&2 raised an exception (see container element RETURN)

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 831

• Message text: Method &1.&2 raised an exception (see container element RETURN)

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 WZ831 - Method &1.&2 raised an exception (see container element RETURN) ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WZ831 Method &1.&2 raised an exception (see container element RETURN)
  
  Cause:
  This error occurs when a method call in an ABAP class (usually within a workflow or a business object processing) raises an exception. The placeholders &1 and &2 represent the class name and method name respectively. The exception details are passed back in the container element RETURN.
  
  The method being called encountered an error condition and raised an exception.
  The exception is caught and reported by the workflow engine or the calling program.
  The container element RETURN contains detailed information about the error, such as error messages, return codes, or exception texts.
  
  
  Typical Scenarios:
  
  Workflow container method calls fail due to missing or incorrect data.
  Business object method execution fails because of invalid input or system state.
  Custom ABAP code inside the method raises an exception that is not handled internally.
  Integration scenarios where external system calls fail and propagate exceptions.
  
  
  How to Analyze:
  
  Check the exact method and class names in the error message (replace &1 and &2).
  Look into the container element RETURN:
  
  This container element usually contains a structure or table with detailed error messages.
  Use transaction SWI1 or SWI2_DIAG to analyze workflow logs.
  In debugging, inspect the RETURN container element to see the exact error details.
  
  
  Review the method implementation:
  
  Check the ABAP code of the method for possible exception-raising statements.
  Look for RAISE EXCEPTION or MESSAGE ... RAISING statements.
  
  
  Check input parameters passed to the method for correctness.
  Check system logs (SM21), short dumps (ST22), and application logs (SLG1) for related errors.
  
  
  Solution:
  
  Fix the root cause of the exception inside the method:
  
  Correct the input data or parameters.
  Handle exceptions properly inside the method to avoid unhandled exceptions.
  Implement error handling and meaningful messages.
  
  
  Adjust the workflow or calling program to handle exceptions gracefully.
  If the error is due to missing data, ensure all required data is available before method call.
  Debug the method to identify the exact line causing the exception.
  Consult SAP Notes if the method is standard SAP and known issues exist.
  
  
  Related Information:
  
  Transaction SWI1 / SWI2_DIAG: Workflow log analysis.
  Transaction SE24: To display and analyze the class and method.
  Transaction SE80: To navigate to the method implementation.
  Transaction ST22: Check for runtime errors (short dumps).
  Transaction SLG1: Application log for detailed error messages.
  SAP Notes and KBAs: Search for the method name and error message for known issues.
  
  
  Example:
  If the error message is:
  
  WZ831 Method CL_MY_CLASS.MY_METHOD raised an exception (see container element RETURN)
  
  Go to SE24, display class CL_MY_CLASS.
  Navigate to method MY_METHOD.
  Check the code for exception handling.
  Debug the method with the input data from the workflow container.
  Check the RETURN container element for detailed error info.
  
  
  If you provide the exact class and method names or the content of the RETURN container, I can help you analyze the issue more specifically.