How To Fix D4104 - An invalid parameter was passed to AS400_API

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 104

• Message text: An invalid parameter was passed to AS400_API

What causes this issue?

An invalid parameter was passed to the OS/400 CCMS API (AS400_API).

System Response

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How to fix this error?

Customer applications should not use this API directly. If the error
occured in a standard SAP application, please 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 D4104 - An invalid parameter was passed to AS400_API ?

  The SAP error message D4104, which states "An invalid parameter was passed to AS400_API," typically occurs when there is an issue with the parameters being sent to the AS400 API from SAP. This error can arise in various scenarios, particularly when integrating SAP with IBM's AS400 (also known as IBM iSeries) systems.
  Causes:
  
  Incorrect Parameter Values: The parameters being passed to the AS400 API may not conform to the expected format or data type. This could include incorrect data lengths, invalid characters, or unsupported data types.
  Configuration Issues: There may be misconfigurations in the connection settings between SAP and the AS400 system.
  Version Mismatch: The version of the AS400 API being used may not be compatible with the version of SAP or the specific function being called.
  Network Issues: Connectivity problems between the SAP system and the AS400 system can also lead to this error.
  Authorization Issues: The user or service account being used to connect to the AS400 may not have the necessary permissions to execute the API call.
  
  Solutions:
  
  Check Parameter Values: Review the parameters being passed to the AS400 API. Ensure that they are of the correct type, length, and format. Validate against the API documentation.
  Review Configuration Settings: Verify the configuration settings for the connection between SAP and AS400. Ensure that all connection parameters (like host, port, user credentials) are correctly set.
  Update or Patch Systems: Ensure that both SAP and AS400 systems are up to date with the latest patches and updates. This can help resolve compatibility issues.
  Test Connectivity: Use tools like ping or telnet to check the network connectivity between the SAP system and the AS400 system. Ensure that there are no firewall or network issues blocking the connection.
  Check User Permissions: Verify that the user account being used has the necessary permissions to access the AS400 API. This may involve checking user roles and permissions on the AS400 system.
  Consult Documentation: Refer to the SAP and AS400 API documentation for any specific requirements or limitations regarding the parameters being used.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the D4104 error. SAP Notes often provide specific guidance for troubleshooting and resolving errors.
  AS400 Documentation: Review the IBM AS400 API documentation for detailed information on the expected parameters and their formats.
  Logs and Traces: Enable logging or tracing in both SAP and AS400 to capture more detailed error messages that can help in diagnosing the issue.
  Community Forums: Consider reaching out to SAP community forums or IBM support for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the root cause of the D4104 error and implement an appropriate solution.