How To Fix HDS044 - Conversion error for field &1 (internal value &2 cannot be converted)

SAP Error Message - Details

• Message type: E = Error

• Message class: HDS - HDS Message Class

• Message number: 044

• Message text: Conversion error for field &1 (internal value &2 cannot be converted)

What causes this issue?

The internal value &V2& for field &V1& could not be converted into an
external form.

System Response

There is a data inconsistency.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HDS044 - Conversion error for field &1 (internal value &2 cannot be converted) ?

  The SAP error message HDS044 indicates a conversion error for a specific field, where the internal value cannot be converted to the expected format. This error typically arises in the context of data transfer or data processing, particularly when dealing with data types that require conversion (e.g., from one format to another).
  Cause:
  
  Data Type Mismatch: The internal value being processed does not match the expected data type for the field. For example, trying to convert a string that contains non-numeric characters into a numeric field.
  Invalid Data: The internal value may contain invalid characters or formats that cannot be converted. For instance, if a date is expected but the value is in an incorrect format.
  Configuration Issues: There may be issues with the configuration of the data transfer or mapping settings that lead to incorrect data being sent or received.
  Data Corruption: The data being processed may be corrupted or improperly formatted, leading to conversion failures.
  
  Solution:
  
  Check Data Types: Verify that the data types of the source and target fields match. Ensure that the internal value being processed is compatible with the expected data type.
  Validate Input Data: Review the input data for any invalid characters or formats. Cleanse the data to ensure it adheres to the expected format.
  Review Mapping Configuration: If this error occurs during data transfer (e.g., using IDocs, BAPIs, or other interfaces), check the mapping configuration to ensure that the fields are correctly mapped and that the conversion rules are properly defined.
  Debugging: Use debugging tools in SAP to trace the execution and identify where the conversion is failing. This can help pinpoint the exact value causing the issue.
  Error Handling: Implement error handling in your data processing logic to catch and log conversion errors, allowing for easier troubleshooting in the future.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), or SE80 (Object Navigator) to investigate the data structures and function modules involved.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to this error message.
  Documentation: Review SAP documentation related to data conversion and field mapping to ensure compliance with best practices.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.