How To Fix CM_EXPERT320 - Internal error has occurred: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EXPERT - Messages for Expert

• Message number: 320

• Message text: Internal error has occurred: &1

What causes this issue?

An unexpected internal error has occurred. The error may be due to one
of the following causes:
You have not registered the set of rules specified. For information on
how to register a set of rules, see
<DS:SIMG.EHS_MD_135_02>Set Up Windows Registry</>.
The files for the set of rules do not exist in the specified directory.

System Response

<ZK>Expert </>secondary data determination is not executed.

How to fix this error?

Remove the cause of the error. If necessary, write an OSS message
briefly describing as exactly as possible the circumstances that led to
the error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EXPERT320 - Internal error has occurred: &1 ?

  The SAP error message CM_EXPERT320, which states "Internal error has occurred: &1," is a generic error message indicating that an unexpected issue has occurred within the SAP system. This type of error can arise from various underlying causes, and the specific details provided in the "&1" placeholder can give more context about the nature of the error.
  Possible Causes:
  
  System Configuration Issues: Incorrect or incomplete configuration settings in the SAP system can lead to internal errors.
  Data Inconsistencies: Corrupted or inconsistent data in the database can trigger internal errors during processing.
  Program Errors: Bugs or issues in custom ABAP programs or standard SAP programs can result in unexpected behavior.
  Memory Issues: Insufficient memory or resource allocation can lead to internal errors, especially during large data processing.
  Transport Issues: Problems during the transport of changes from one system to another can cause inconsistencies that lead to errors.
  Version Compatibility: Using incompatible versions of SAP components or add-ons can lead to internal errors.
  
  Solutions:
  
  Check the Error Log: Use transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis) to check for detailed error logs and dumps that can provide more context about the error.
  Review Configuration: Verify the configuration settings related to the area where the error occurred. Ensure that all necessary settings are correctly configured.
  Data Consistency Check: Run consistency checks on the relevant data. Use transaction codes like SE11 (Data Dictionary) to check table structures and data integrity.
  Debugging: If the error is reproducible, consider debugging the relevant program to identify the exact point of failure.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address the specific error or provide patches or updates.
  System Resources: Monitor system resources (memory, CPU) to ensure that the system is not running out of resources during processing.
  Transport Management: If the error occurred after a transport, check the transport logs and ensure that all objects were transported correctly.
  Consult SAP Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (for dumps), SM21 (system log), and SLG1 (application log) to gather more information about the error.
  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 functionality where the error occurred for any known issues or troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the CM_EXPERT320 error in your SAP system.