How To Fix WS441 - An internal error occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 441

• Message text: An internal error occurred

What causes this issue?

An internal error occurred.

System Response

INCLUDE ISR_STOP

How to fix this error?

INCLUDE ISR_VERWALTUNG

Procedure for System Administrators

Contact SAP. The error relates to function module
"wlf_plst_calc_eff_pay_day". An entry in table 't_komlfl' refers, via
'wbeln_lf', to a document that is not contained in table 't_komlfk'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS441 - An internal error occurred ?

  SAP Error Message:
  
  WS441 - An internal error occurred
  
  Cause
  The error message WS441 typically indicates that an unexpected internal error has occurred within the SAP system during the execution of a Web Service or Web Service-related processing. This is a generic error message that can be triggered by various underlying issues such as:
  
  Problems in the Web Service runtime environment.
  Issues with the SOAP message processing.
  Inconsistencies or errors in the Web Service configuration.
  Runtime exceptions in the ABAP code or system kernel.
  Communication problems between the SAP system and external Web Service clients.
  Missing or incorrect authorization or user context.
  Transport or network layer issues affecting the Web Service call.
  
  Because WS441 is a generic internal error, the exact cause often requires further investigation.
  
  Solution
  To resolve the WS441 error, follow these steps:
  
  
  Check the Detailed Error Logs:
  
  Use transaction SLG1 (Application Log) to check for detailed error messages related to the Web Service.
  Check the ST22 transaction for any short dumps that occurred at the time of the error.
  Review the SM21 system log for any system-level errors.
  
  
  
  Analyze the Web Service Configuration:
  
  Verify the Web Service configuration in SOAMANAGER.
  Check the binding, endpoint, and security settings.
  Ensure that the Web Service is properly activated and the service user has the necessary authorizations.
  
  
  
  Check Network and Communication:
  
  Verify network connectivity between the SAP system and the Web Service client or external system.
  Check for firewall or proxy issues that might block the communication.
  
  
  
  Debug the Web Service Call:
  
  If possible, debug the ABAP code or use the Web Service trace tools to identify where the error occurs.
  Use transaction SICF to test the Web Service endpoint.
  
  
  
  Check for Missing or Incorrect Authorizations:
  
  Ensure the user executing the Web Service has the required roles and authorizations.
  
  
  
  Apply SAP Notes:
  
  Search the SAP Support Portal for notes related to WS441 or the specific Web Service you are using.
  Apply any relevant patches or corrections.
  
  
  
  Restart Services:
  
  Sometimes, restarting the ICM (Internet Communication Manager) or the SAP system can clear transient errors.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SOAMANAGER – Web Service Configuration
  SICF – Maintain HTTP Services (test Web Service endpoints)
  SLG1 – Application Log
  ST22 – ABAP Runtime Errors (Short Dumps)
  SM21 – System Log
  SMICM – ICM Monitor (check HTTP services and restart if needed)
  
  
  
  SAP Notes:
  
  Search for SAP Notes with keywords like "WS441", "internal error", "Web Service error".
  Example notes might address specific bugs or provide troubleshooting steps.
  
  
  
  Documentation:
  
  SAP Help Portal sections on Web Services and SOA.
  SAP Community forums for similar issues and solutions.
  
  
  
  
  Summary
  WS441 is a generic internal error related to Web Services in SAP. The root cause can vary widely, so detailed log analysis and configuration checks are essential. Start by reviewing logs and dumps, verify Web Service setup in SOAMANAGER, check network and authorizations, and apply relevant SAP Notes. Debugging and testing the Web Service endpoint can help pinpoint the exact issue.
  
  If you provide more context (e.g., when the error occurs, system version, specific Web Service used), I can help narrow down the cause and solution further.