How To Fix CNV_20100423 - Error in structure of file for upload; see long text

CNV_20100423 - Overview

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 423

• Message text: Error in structure of file for upload; see long text

What causes this issue?

The system found an error in the structure of the file that you want to
upload.

System Response

The file must have the following structure:
OBJECT ORG_EINH ORG_EINH2 OBJECTNAME VALUE_OLD VALUE_NEW

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

and field 'OBJECTNAME' must be empty for OBJECT=SETNAME.
However value &V2& was found in field 'OBJECTNAME' in row &V1&.

How to fix this error?

Correct the file and try again to upload it. Make sure that the file is
saved as *.txt (TEXT separated by tab stops) and that it does not
contain any headers or empty rows.
&ADDITIONAL_HINTS&
Example:
OBJECT ORG_EINH ORG_EINH2 OBJECTNAME VALUE_OLD VALUE_NEW
SETNAME 0102 CAAU AU_OLD AU_NEW
SETVAL 0102 CAUS OAS-IDLETI 0000422000 999999
SETVAL 0102 GKR OAS_IDLET2 0000416999 0000987654
SETNAME 0102 CAUS US_COA_PM US_COA_PM1
SETNAME 0102 CAUS US_COA_PX US_COA_PM2

Error message extract from SAP system. Copyright SAP SE.

CNV_20100423 - Details

• The SAP error message CNV_20100423 typically indicates that there is an issue with the structure of the file you are trying to upload. This error is often encountered during data migration or data upload processes, particularly when using tools like the SAP Data Services or SAP S/4HANA Migration Cockpit.
  
  Cause:
  
  File Structure Mismatch: The structure of the file (e.g., CSV, Excel) does not match the expected format defined in the SAP system. This could include incorrect column names, missing columns, or incorrect data types.
  Data Formatting Issues: The data within the file may not conform to the expected formats (e.g., date formats, numeric formats).
  Encoding Issues: The file may be saved in an unsupported encoding format, leading to misinterpretation of characters.
  Missing Required Fields: The file may be missing mandatory fields that are required for the upload process.
  
  
  Solution:
  
  Check File Structure: Review the file structure against the specifications provided by SAP. Ensure that all required columns