> ## Documentation Index
> Fetch the complete documentation index at: https://hellocsv.mintlify.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Importer Validation Error

This section describes the structure of a validation error.

## sheetId

**Type:** `string`

**Required:** Yes

**Description:**\
Identifier of the sheet where the error occurred.

***

## rowIndex

**Type:** `number`

**Required:** Yes

**Description:**\
0-based index indicating the row with the error.

***

## columnId

**Type:** `string`

**Required:** Yes

**Description:**\
Column identifier where the error occurred.

***

## message

**Type:** `string`

**Required:** Yes

**Description:**\
Error message describing the validation failure.