How To Fix D4106 - A call to an OS/400 system API failed in AS400_API

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 106

• Message text: A call to an OS/400 system API failed in AS400_API

What causes this issue?

An OS/400 system call returned an error in the OS/400 CCMS API
(AS400_API).

System Response

&V1&&V2&

How to fix this error?

Create a problem message using the SAPNet - SAP Frontend.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D4106 - A call to an OS/400 system API failed in AS400_API ?

  The SAP error message D4106, which states "A call to an OS/400 system API failed in AS400_API," typically indicates that there is an issue with the communication between the SAP system and the IBM i (formerly known as AS/400) system. This error can arise from various causes, and here are some common reasons, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the AS/400 system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the AS/400 system can lead to API call failures.
  Authorization Issues: The user or service account used to make the API call may not have the necessary permissions on the AS/400 system.
  Resource Availability: The AS/400 system may be experiencing resource constraints, such as memory or processing power, which can affect API calls.
  API Changes: If there have been updates or changes to the OS/400 APIs, it may lead to compatibility issues with the SAP system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the AS/400 system is stable and functioning correctly. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP and AS/400 systems. Ensure that the connection parameters, such as hostnames, ports, and user credentials, are correctly set.
  Check User Permissions: Ensure that the user account being used to access the AS/400 system has the necessary permissions to execute the API calls. You may need to consult with your system administrator to verify and adjust permissions.
  Monitor AS/400 Resources: Check the performance and resource usage on the AS/400 system. If the system is under heavy load, consider optimizing performance or scheduling API calls during off-peak hours.
  Review API Documentation: If there have been recent updates to the OS/400 system, review the API documentation to ensure that the calls being made by the SAP system are still valid and supported.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error message or provide guidance on resolving it.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They may have additional insights or patches available.
  System Logs: Review the system logs on both the SAP and AS/400 systems for any additional error messages or warnings that could provide more context about the failure.
  Documentation: Refer to the official SAP and IBM documentation for detailed information on API usage and troubleshooting.
  
  By systematically addressing these potential causes and implementing the suggested solutions, you should be able to resolve the D4106 error message in your SAP system.