How To Fix WS408 - An internal error occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 408

• Message text: An internal error occurred

What causes this issue?

An internal error occurred during reading of configuration data.

System Response

The function was terminated.

How to fix this error?

INCLUDE ISR_VERWALTUNG

Procedure for System Administrators

Check the entries in Customizing table TMFK. Contact SAP if necessary.
The error occurred in sub-program TMFK_select_check in in function
group wlf_invoice_test_docs. Structures ts_tmfk and ts_lfart are both
empty.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS408 - An internal error occurred ?

  SAP Error Message:
  
  WS408 - An internal error occurred
  
  Cause
  The error message WS408 typically indicates that an unexpected internal error has occurred within the SAP Web Application Server (SAP Web AS) during the processing of a request. This is a generic error message that can be triggered by various underlying issues such as:
  
  Runtime errors in the ABAP program or Web Dynpro application.
  Memory issues or resource exhaustion on the application server.
  Inconsistent or corrupted SAP kernel or system files.
  Communication problems between the frontend and backend.
  Authorization or security issues causing the system to abort processing.
  Incorrect or missing configuration in the Web Dispatcher or ICM (Internet Communication Manager).
  Transport or patch inconsistencies leading to runtime failures.
  
  Because WS408 is a generic internal error, the exact cause must be determined by analyzing system logs and traces.
  
  Solution / Troubleshooting Steps
  
  
  Check the Short Dump (ST22):  
  
  Go to transaction ST22 and look for any ABAP short dumps that occurred at the time of the error. The dump will provide detailed information about the runtime error causing WS408.
  
  
  
  Review System Logs (SM21):  
  
  Use transaction SM21 to check system logs for any related error messages or warnings around the time WS408 appeared.
  
  
  
  Analyze ICM and Web Dispatcher Logs:  
  
  Check the ICM trace files (dev_icm) and Web Dispatcher logs for communication errors or resource issues.
  
  
  
  Check Memory and Resource Usage:  
  
  Use transaction ST06 or OS-level tools to verify if the server is running low on memory or CPU resources.
  
  
  
  Verify Kernel and Patch Levels:  
  
  Ensure that the SAP kernel and patches are up to date and consistent across the system.
  
  
  
  Check Authorization and Security Settings:  
  
  Verify that the user has the necessary authorizations and that no security policies are blocking the request.
  
  
  
  Debugging:  
  
  If possible, reproduce the error in a test environment and use the ABAP debugger to trace the exact point of failure.
  
  
  
  SAP Notes and Support:  
  
  Search the SAP Support Portal for notes related to WS408 or the specific short dump found.
  If no solution is found, consider opening a support ticket with SAP, providing the dump and log details.
  
  
  
  
  Related Information
  
  Transaction ST22: Analyze ABAP short dumps.
  Transaction SM21: System log analysis.
  Transaction SMICM: Monitor and trace ICM.
  Transaction ST06: OS monitoring.
  SAP Notes: Search for WS408 or related dump messages on the SAP ONE Support Launchpad.
  SAP Kernel: Ensure kernel patches are applied as per SAP recommendations.
  
  
  Summary
  
  WS408 is a generic internal error indicating a runtime failure in the SAP Web AS.
  The root cause varies and requires detailed analysis of dumps, logs, and system status.
  Use ST22, SM21, SMICM, and system monitoring tools to diagnose.
  Keep the system updated and check for known SAP Notes.
  Contact SAP Support if the issue persists after initial troubleshooting.
  
  
  If you provide the exact short dump or context in which WS408 occurs, I can help analyze it further.