How To Fix HDS045 - Conversion error for field &1 (external value &2 cannot be converted)

SAP Error Message - Details

• Message type: E = Error

• Message class: HDS - HDS Message Class

• Message number: 045

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

What causes this issue?

The entry for the external value &V2& for field &V1& could not be
converted into the system-internal relevant form.

System Response

The entry is incorrect or incomplete.

How to fix this error?

Check the entry.

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 HDS045 - Conversion error for field &1 (external value &2 cannot be converted) ?

  The SAP error message HDS045 indicates a conversion error for a specific field, where the external value provided cannot be converted into the expected format or data type for that field. This error typically arises during data import or data processing activities, such as when using data migration tools, batch input sessions, or during data uploads.
  Cause:
  
  Data Type Mismatch: The external value provided does not match the expected data type of the field. For example, trying to input a string into a numeric field.
  Format Issues: The format of the external value may not conform to the expected format. For instance, date formats or decimal separators may differ.
  Invalid Characters: The external value may contain invalid characters that are not acceptable for the target field.
  Length Exceedance: The external value may exceed the maximum length defined for the field in the database.
  Configuration Issues: There may be configuration settings in the SAP system that affect how data is interpreted or converted.
  
  Solution:
  
  Check Data Types: Verify that the data types of the external values match the expected data types of the target fields in SAP.
  Format Correction: Ensure that the external values are formatted correctly. For example, if a date is expected in the format YYYY-MM-DD, make sure the input adheres to this format.
  Remove Invalid Characters: Clean the data to remove any invalid characters that may cause conversion issues.
  Adjust Length: Ensure that the length of the external value does not exceed the maximum length defined for the field.
  Review Configuration: Check any relevant configuration settings in the SAP system that may affect data conversion, such as user-defined formats or localization settings.
  Use Data Validation Tools: Utilize SAP tools or third-party data validation tools to pre-check the data before importing it into the system.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) to check the field definitions and data types.
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to data conversion errors.
  Documentation: Review SAP documentation related to data import processes, especially for the specific module you are working with.
  Debugging: If you have access, consider debugging the process to identify exactly where the conversion is failing.
  
  By addressing the above points, you should be able to resolve the HDS045 error and successfully convert the external values into the expected format for the SAP system.