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

# Types of rules

> Reference for the rule-type enumeration in the ABBYY FlexiCapture Reporting service, listing values 0-5 for data format, region, and child document errors.

## Purpose

The types of rules.

[List of enumerations](/flexi-capture/reporting-enumerations)

## Possible values

| **Value** | **Description**                                              |
| --------- | ------------------------------------------------------------ |
| 0         | Rule error.                                                  |
| 1         | Data format error.                                           |
| 2         | Error merging different versions of the same document.       |
| 3         | Region matching error.                                       |
| 4         | Error when applying the rules that is unrelated to any rule. |
| 5         | Error in a child document.                                   |