How To Fix WS641 - Internal error in method &1 of class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 641

• Message text: Internal error in method &1 of class &2

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 WS641 - Internal error in method &1 of class &2 ?

  Certainly! Here's a detailed explanation regarding the SAP error message:
  
  SAP Error Message:
  WS641 Internal error in method &1 of class &2
  
  Meaning / Cause:
  
  This error indicates that an internal runtime error occurred during the execution of a method (&1) of a particular ABAP class (&2).
  The error is typically raised by the SAP Web Services runtime or the ABAP runtime environment when an unexpected condition or exception happens inside the method.
  It can be caused by:
  
  Programming errors or bugs in the method implementation.
  Missing or incorrect data leading to runtime exceptions.
  System inconsistencies or memory issues.
  Issues with Web Service processing or SOAP message handling.
  Authorization or system configuration problems affecting the method execution.
  
  
  
  
  Where it occurs:
  
  Usually encountered in Web Service scenarios, especially when using SAP Web Service runtime (WS runtime).
  Can also appear during ABAP OO method calls if the method encounters an unexpected internal error.
  The placeholders &1 and &2 will be replaced by the actual method name and class name, which helps identify the exact location of the problem.
  
  
  How to analyze:
  
  
  Check the exact method and class:
  
  Look at the error message details to identify which method and class caused the error.
  
  
  Review the ABAP code:
  
  Debug or review the source code of the method to find potential causes such as unhandled exceptions, invalid data processing, or faulty logic.
  
  
  Check system logs and dumps:  
  
  Use transaction ST22 to check for short dumps related to this error.
  Use SM21 for system logs.
  Look for any runtime errors or exceptions that occurred at the same time.
  
  
  
  Check Web Service configuration (if applicable):  
  
  Verify the Web Service setup in SOAMANAGER or SICF.
  Check if the service endpoint and bindings are correctly configured.
  Ensure that the user executing the service has the necessary authorizations.
  
  
  
  Check for OSS Notes:
  
  Search SAP Support Portal for OSS Notes related to the specific method or class mentioned in the error message.
  
  
  
  Possible Solutions:
  
  
  Fix the ABAP code:
  
  If the error is due to a programming bug, correct the code in the method.
  
  
  Handle exceptions properly:
  
  Add appropriate exception handling in the method to avoid unhandled runtime errors.
  
  
  Correct data issues:
  
  Ensure that the input data to the method is valid and complete.
  
  
  Update or patch the system:
  
  Apply relevant SAP Notes or patches if the error is caused by a known issue in SAP standard code.
  
  
  Check authorizations:
  
  Make sure the user executing the method has the required permissions.
  
  
  Restart services:
  
  Sometimes, restarting the ICM or Web Service runtime can resolve transient issues.
  
  
  
  Related Information:
  
  Transaction ST22: Analyze ABAP dumps.
  Transaction SM21: System log.
  Transaction SE24: Class builder to inspect the class and method.
  Transaction SE80: ABAP development workbench.
  SOAMANAGER: Web Service configuration.
  SICF: Internet Communication Framework for service activation.
  SAP OSS Notes: Search with keywords like the method name, class name, or error message.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS641 Internal error in method &1 of class &2
  
  
  Cause
  Runtime error inside ABAP method (programming bug, data issue, config problem)
  
  
  Solution
  Debug and fix ABAP code, handle exceptions, check data, apply SAP Notes, verify config and authorizations
  
  
  Tools
  ST22, SM21, SE24, SE80, SOAMANAGER, SICF
  
  
  Notes
  Check SAP OSS Notes for known issues
  
  
  
  
  If you provide the actual method and class names from the error message, I can help you with more specific guidance or known issues related to them.