How To Fix KZ305 - System error: Error in message handler in &

SAP Error Message - Details

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 305

• Message text: System error: Error in message handler in &

What causes this issue?

An internal error occurred in error management and analysis.

How to fix this error?

Please inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KZ305 - System error: Error in message handler in & ?

  The SAP error message KZ305, which states "System error: Error in message handler in &," typically indicates that there is an issue with the message handling in the SAP system. This error can occur in various contexts, such as during the execution of a transaction or when processing data.
  Possible Causes:
  
  Configuration Issues: There may be incorrect or incomplete configuration settings in the system that are causing the message handler to fail.
  System Bugs: There could be a bug in the SAP system or a specific transaction that is leading to this error.
  Data Issues: Corrupted or inconsistent data being processed can trigger this error.
  Authorization Problems: Lack of proper authorizations for the user executing the transaction can lead to this error.
  Network Issues: Problems with network connectivity or communication between different components of the SAP system can also cause this error.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the transaction or process that triggered the error. Ensure that all necessary settings are correctly configured.
  Review Logs: Check the system logs (transaction SM21) and application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or corruption. This may involve checking master data or transactional data.
  User Authorizations: Verify that the user has the necessary authorizations to perform the action that triggered the error. Use transaction SU53 to check for authorization issues.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  System Restart: In some cases, restarting the affected application server or the entire SAP system may resolve transient issues.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SLG1 (Application Log), and SU53 (Authorization Check).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the specific module or transaction where the error occurred for additional troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the KZ305 error in your SAP system.