How To Fix WS455 - An internal error occurred

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 455

• 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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Procedure for System Administrators

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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 WS455 - An internal error occurred ?

  SAP Error Message:
  
  WS455 - An internal error occurred
  
  Cause
  The error message WS455 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:
  
  Memory problems: Insufficient memory or memory corruption during processing.
  Kernel or runtime errors: Issues in the SAP kernel or runtime environment.
  Buffer or table overflow: Internal buffer overflows or data structure inconsistencies.
  Programming errors: Bugs in custom or standard ABAP code causing runtime exceptions.
  Database inconsistencies: Problems with database access or data integrity.
  Transport or patch inconsistencies: Incomplete or faulty system updates or patches.
  System resource limitations: CPU, disk, or network resource constraints.
  
  Because WS455 is a generic internal error, the exact cause depends on the context in which it occurs.
  
  Solution
  To resolve WS455, follow these steps:
  
  
  Check the short dump (ST22):  
  
  Use transaction ST22 to analyze the runtime error details.
  Look for the exact error context, program name, and call stack.
  Identify if the error is caused by a specific ABAP program or system component.
  
  
  
  Review system logs (SM21):  
  
  Check system logs for related error messages or warnings around the time WS455 occurred.
  
  
  
  *Analyze developer traces (dev_w files):**  
  
  Check the developer traces on the application server for kernel or runtime errors.
  
  
  
  Check system resources:  
  
  Verify memory, CPU, and disk usage.
  Ensure there are no resource bottlenecks.
  
  
  
  Apply SAP Notes:  
  
  Search the SAP Support Portal for notes related to WS455 or the specific short dump.
  Apply relevant patches or corrections.
  
  
  
  Debug or review custom code:  
  
  If the error occurs in custom programs, debug the code to find the root cause.
  Check for unhandled exceptions or incorrect data handling.
  
  
  
  Kernel and system updates:  
  
  Ensure the SAP kernel and system components are up to date.
  Sometimes kernel patches fix internal errors.
  
  
  
  Contact SAP Support:  
  
  If the issue persists and cannot be resolved internally, open a support ticket with SAP.
  Provide detailed information including dumps, logs, and system details.
  
  
  
  
  Related Information
  
  Transaction ST22: Analyze ABAP runtime errors and dumps.
  Transaction SM21: System log analysis.
  Developer traces: Located in the work directory of the application server (e.g., /usr/sap/<SID>/D00/work).
  SAP Notes: Search for WS455 or related short dump messages on the SAP ONE Support Launchpad.
  Kernel patches: Check SAP kernel patch notes for fixes related to internal errors.
  Memory and resource monitoring: Use transactions ST06, ST02, ST03N for system health checks.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS455 - An internal error occurred
  
  
  Cause
  Generic internal runtime error due to memory, kernel, programming, or resource issues
  
  
  Solution
  Analyze ST22 dump, check logs, review traces, apply SAP Notes, debug code, update kernel
  
  
  Tools
  ST22, SM21, developer traces, SAP Notes, system monitoring transactions
  
  
  
  
  If you provide the exact short dump details or context where WS455 occurs, I can help you analyze the problem more specifically.