How To Fix WS454 - An internal error occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 454

• Message text: An internal error occurred

What causes this issue?

An internal error occurred.

System Response

The function is terminated.

How to fix this error?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS454 - An internal error occurred ?

  SAP Error Message:
  
  WS454 - An internal error occurred
  
  Cause:
  The error message WS454 typically indicates that an unexpected internal error has occurred within the SAP system. This is a generic error message that can be triggered by various underlying issues such as:
  
  Problems in the SAP kernel or runtime environment.
  Inconsistencies or corruption in internal SAP buffers or memory.
  Issues with the SAP Work Process (WP) handling.
  Errors in the ABAP program or function module being executed.
  Problems with the communication between SAP components (e.g., dialog work process and dispatcher).
  Database inconsistencies or locks.
  Missing or corrupted SAP kernel files or patches.
  
  Because it is a generic internal error, the exact cause often requires detailed analysis of system logs and traces.
  
  Solution:
  To resolve the WS454 error, follow these steps:
  
  
  Check System Logs and Dumps:
  
  Use transaction SM21 to check system logs for related errors.
  Use transaction ST22 to check for short dumps that occurred at the time of the error.
  Analyze the dump details to identify the root cause.
  
  
  
  Review Work Process and Dispatcher Status:
  
  Use transaction SM50 or SM66 to monitor work processes.
  Look for any stuck or terminated work processes.
  
  
  
  Check Kernel and Patch Level:
  
  Verify that the SAP kernel is up to date and consistent.
  Apply the latest SAP kernel patches if necessary.
  
  
  
  Check for Memory or Buffer Issues:
  
  Sometimes internal errors are caused by memory leaks or buffer overflows.
  Restarting the SAP instance can temporarily resolve such issues.
  
  
  
  Analyze ABAP Code or Custom Programs:
  
  If the error occurs during a specific transaction or program, debug the ABAP code.
  Look for unhandled exceptions or problematic database calls.
  
  
  
  Database Checks:
  
  Run database consistency checks.
  Check for locks or long-running transactions that might cause internal errors.
  
  
  
  SAP Notes and Support:
  
  Search the SAP Support Portal for notes related to WS454.
  Some known issues might have specific SAP Notes with patches or workarounds.
  
  
  
  Restart SAP Instance:
  
  If the error is due to transient internal issues, restarting the SAP instance or affected work processes may help.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM21 - System Log
  ST22 - ABAP Dump Analysis
  SM50 - Work Process Overview
  SM66 - Global Work Process Overview
  SM12 - Lock Entries
  
  
  
  SAP Notes:
  
  Check SAP Notes for WS454 or related kernel/runtime errors.
  Example: SAP Note 000000 (replace with actual note number found in SAP Support Portal).
  
  
  
  Common Scenarios:
  
  WS454 can appear during heavy system load or after applying patches.
  It may also occur if there is a mismatch between kernel and database client versions.
  
  
  
  
  Summary:
  WS454 - An internal error occurred is a generic SAP error indicating an unexpected internal failure. Diagnosing it requires checking system logs, dumps, work processes, kernel versions, and possibly debugging ABAP code. Applying SAP Notes and patches, and ensuring system consistency, are key steps to resolve the issue.
  
  If you provide more context (e.g., when the error occurs, transaction involved, dump details), I can help with a more specific diagnosis.