How To Fix WL008 - An unknown exception was raised at runtime (kernel ID: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: WL - Workflow: run-time messages

• Message number: 008

• Message text: An unknown exception was raised at runtime (kernel ID: &1)

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WL008 - An unknown exception was raised at runtime (kernel ID: &1) ?

  SAP Error Message:
  
  WL008 - An unknown exception was raised at runtime (kernel ID: &1)
  
  Cause
  The error message WL008 indicates that an unexpected or unknown exception occurred during the runtime of an SAP kernel process. The kernel ID (&1) is a unique identifier for the specific runtime instance where the error happened.
  This error is typically caused by:
  
  A runtime error in the SAP kernel or a kernel module.
  Memory access violations or segmentation faults.
  Inconsistencies or bugs in the kernel code.
  Issues with kernel patches or incompatible kernel versions.
  Problems in the communication between the SAP kernel and the operating system.
  Hardware or OS-level problems affecting the SAP kernel process.
  
  Because the exception is "unknown," it means the kernel encountered a situation it was not programmed to handle or detect explicitly.
  
  Solution
  
  
  Check the Kernel ID (&1):
  
  The kernel ID is crucial for tracing the exact runtime instance. Use this ID to locate the corresponding trace files and dumps.
  
  
  Analyze Trace Files and Dumps:  
  
  Check the developer trace files (dev_w0, dev_disp, etc.) for more detailed error information.
  Look for short dumps (ST22) related to the kernel ID.
  Analyze OS-level logs for any hardware or system errors.
  
  
  
  Kernel Patch Level:  
  
  Verify the current kernel patch level.
  If the kernel is outdated or known to have bugs, upgrade to the latest stable kernel patch.
  
  
  
  SAP Notes and Support:  
  
  Search SAP Support Portal for notes related to WL008 and the specific kernel version.
  Apply any recommended patches or corrections.
  
  
  
  System Health Check:  
  
  Check OS resources (memory, CPU, disk).
  Verify no hardware issues exist.
  Ensure the OS and kernel are compatible.
  
  
  
  Restart the SAP System:  
  
  Sometimes, restarting the SAP instance or the entire system can clear transient issues.
  
  
  
  Contact SAP Support:  
  
  If the problem persists, open a support ticket with SAP.
  Provide the kernel ID, trace files, dumps, and system details.
  
  
  
  
  Related Information
  
  Transaction ST22: For analyzing ABAP short dumps.
  Transaction SM21: System log for OS and kernel messages.
  Transaction SM50/SM66: To monitor work processes and system status.
  SAP Kernel Release Notes: Check for known issues and fixes.
  SAP Notes: Search for "WL008" or kernel-related errors on the SAP ONE Support Launchpad.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WL008 - Unknown exception at runtime (kernel ID: &1)
  
  
  Cause
  Unexpected kernel runtime error, memory issues, kernel bugs, OS or hardware problems
  
  
  Solution
  Analyze kernel ID trace files, update kernel, check system health, apply SAP Notes, contact SAP support if needed
  
  
  
  
  If you provide the kernel ID and system details, I can help guide you on how to extract and analyze the relevant logs.