How To Fix D4110 - A unicode conversion error occurred in AS400_API

SAP Error Message - Details

• Message type: E = Error

• Message class: D4 - DB2/400 specific messages

• Message number: 110

• Message text: A unicode conversion error occurred in AS400_API

What causes this issue?

A UNICODE character conversion operation failed 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 D4110 - A unicode conversion error occurred in AS400_API ?

  The SAP error message D4110, which indicates that a Unicode conversion error occurred in the AS400_API, typically arises when there is an issue with character encoding during data transfer between SAP and an AS/400 (IBM iSeries) system. This can happen when the data being processed contains characters that cannot be properly converted between the character sets used by SAP and AS/400.
  Causes:
  
  Character Set Mismatch: The source data may contain characters that are not supported by the target character set. For example, if the AS/400 system is using a different code page than what SAP expects, this can lead to conversion errors.
  Invalid Characters: The data being transferred may contain invalid or unsupported characters that cannot be converted to Unicode.
  Configuration Issues: Incorrect configuration settings in either the SAP system or the AS/400 system regarding character encoding can lead to conversion errors.
  Data Corruption: If the data has been corrupted during transfer or storage, it may contain unexpected characters that cause conversion issues.
  
  Solutions:
  
  Check Character Encoding: Ensure that the character sets used by both SAP and AS/400 are compatible. You may need to adjust the code page settings on the AS/400 system to match the expected encoding in SAP.
  Data Validation: Validate the data being transferred to ensure it does not contain invalid characters. You may need to clean or preprocess the data before attempting the transfer.
  SAP Notes: Check for any relevant SAP Notes or patches that address Unicode conversion issues. SAP frequently releases updates that may resolve known issues.
  Error Logging: Enable detailed logging in both SAP and AS/400 to capture more information about the error. This can help identify the specific data or character causing the issue.
  Consult Documentation: Review the documentation for both SAP and AS/400 regarding Unicode support and character set configuration to ensure that everything is set up correctly.
  Testing: Conduct tests with smaller datasets to isolate the problematic data and identify the specific characters causing the conversion error.
  
  Related Information:
  
  SAP Unicode Support: SAP systems are designed to support Unicode, which allows for a wide range of characters from different languages. Understanding how SAP handles Unicode can help in troubleshooting.
  AS/400 Character Sets: Familiarize yourself with the character sets and code pages used by the AS/400 system. IBM provides documentation on the various code pages and their compatibility with Unicode.
  SAP Community and Forums: Engaging with the SAP community through forums and discussion boards can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve technical support from SAP or IBM to further diagnose and resolve the issue.