How To Fix M8431 - Internal error in routine &

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 431

• Message text: Internal error in routine &

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_SYSADMIN1

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8431 - Internal error in routine & ?

  The SAP error message M8431, which states "Internal error in routine &," typically indicates that there is an unexpected issue occurring within a specific routine or function in the SAP system. This error can arise from various underlying causes, including:
  Causes:
  
  Data Issues: Corrupted or inconsistent data in the database that the routine is trying to process.
  Configuration Problems: Incorrect configuration settings in the system that affect the routine's execution.
  Program Bugs: A bug in the SAP program or routine itself that leads to an internal error.
  System Performance: Resource limitations or performance issues that prevent the routine from executing properly.
  Custom Code: If there are custom enhancements or modifications, they may not be functioning correctly.
  
  Solutions:
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases patches and updates that can resolve known issues.
  Analyze the Dump: If the error leads to a short dump (ST22), analyze the dump for more detailed information about the error. This can provide insights into what went wrong.
  Review Configuration: Check the configuration settings related to the routine or process that triggered the error. Ensure that all settings are correct and consistent.
  Data Consistency Check: Run data consistency checks to identify and correct any data issues that may be causing the error.
  Debugging: If you have access to the development environment, you can debug the routine to identify the exact point of failure.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs or dumps.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like ST22 (for dumps), SM21 (for system logs), and SLG1 (for application logs) to gather more information about the error.
  System Logs: Check the system logs for any additional error messages or warnings that may provide context for the M8431 error.
  Performance Monitoring: Use transaction ST03N to monitor system performance and identify any bottlenecks that may be affecting routine execution.
  
  By following these steps, you should be able to diagnose and potentially resolve the M8431 error in your SAP system.