How To Fix D4105 - A parameter was missing on a call to AS400_API

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 105

• Message text: A parameter was missing on a call to AS400_API

What causes this issue?

A parameter was missing on the call of the OS/400 CCMS API (AS400_API).

System Response

&V1&&V2&

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 D4105 - A parameter was missing on a call to AS400_API ?

  The SAP error message D4105, which states "A parameter was missing on a call to AS400_API," typically indicates that there is an issue with the parameters being passed to the AS400 API from SAP. This error can occur in various scenarios, particularly when integrating SAP with IBM's AS400 (also known as IBM iSeries) systems.
  Cause:
  
  
  Missing Parameters: The most common cause of this error is that one or more required parameters are not being passed to the AS400 API call. This could be due to incorrect configuration or programming errors in the ABAP code that interfaces with the AS400 system.
  
  
  Data Type Mismatch: Sometimes, the parameters being passed may not match the expected data types or formats required by the AS400 API.
  
  
  Configuration Issues: There may be issues with the configuration settings in SAP that define how it communicates with the AS400 system.
  
  
  Network Issues: If there are network connectivity issues between SAP and the AS400 system, it may lead to incomplete or failed API calls.
  
  
  Solution:
  
  
  Check Parameter Passing: Review the ABAP code or the configuration settings to ensure that all required parameters are being passed correctly to the AS400 API. Make sure that the parameters are in the correct order and format.
  
  
  Debugging: Use debugging tools in SAP to trace the API call and identify which parameter is missing. This can help pinpoint the exact location in the code where the issue occurs.
  
  
  Review Documentation: Consult the documentation for the AS400 API to understand the required parameters and their expected formats. Ensure that your implementation adheres to these specifications.
  
  
  Error Handling: Implement error handling in your ABAP code to catch and log errors when calling the AS400 API. This can provide more context about what went wrong.
  
  
  Consult with Experts: If the issue persists, consider consulting with SAP or AS400 experts who can provide insights based on their experience with similar integrations.
  
  
  Testing: After making changes, thoroughly test the integration to ensure that the error is resolved and that the API calls are functioning as expected.
  
  
  Related Information:
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the AS400 API integration. SAP Notes often provide solutions or workarounds for specific error messages.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  
  Documentation: Review the official SAP and AS400 documentation for best practices on integrating the two systems, including any specific requirements for API calls.
  
  
  By following these steps, you should be able to identify and resolve the cause of the D4105 error in your SAP system.