How To Fix KZ304 - System error: Unknown object type & in FORM & (internal error)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 304

• Message text: System error: Unknown object type & in FORM & (internal error)

What causes this issue?

A system error occurred.

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 KZ304 - System error: Unknown object type & in FORM & (internal error) ?

  The SAP error message KZ304, which states "System error: Unknown object type & in FORM & (internal error)," typically indicates that there is an issue with the system trying to access or process an object that it does not recognize or cannot find. This can occur in various contexts, such as during the execution of a report, transaction, or custom program.
  Possible Causes:
  
  Missing or Corrupted Object: The object type referenced in the error message may be missing or corrupted in the SAP system.
  Incorrect Configuration: There may be a configuration issue where the system is not set up correctly to recognize the object type.
  Transport Issues: If the object was recently transported from another system, there may have been issues during the transport process.
  Custom Development Issues: If the error occurs in a custom program or enhancement, there may be coding errors or issues with the object definitions.
  Authorization Issues: The user may not have the necessary authorizations to access the object type.
  
  Solutions:
  
  Check Object Existence: Verify that the object type mentioned in the error message exists in the system. You can do this by using transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator).
  Review Transport Logs: If the object was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport.
  Debugging: If the error occurs in a custom program, use the ABAP debugger to trace the execution and identify where the error is occurring.
  Check Configuration: Review the configuration settings related to the object type to ensure they are correct.
  Authorization Check: Ensure that the user has the necessary authorizations to access the object type. You can use transaction SU53 to check for authorization issues.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  Community Forums: You can also check SAP Community forums or other online resources where similar issues may have been discussed.
  Documentation: Review SAP documentation related to the specific object type and the context in which the error occurs for additional insights.
  
  By following these steps, you should be able to diagnose and resolve the KZ304 error in your SAP system.