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