---
metadata:
- name: generator
content: Diplodoc Platform v5.55.2
alternate:
- https://yandex.com.tr/support/webmaster/en/error-dictionary/robots-txt.md
- https://yandex.com.tr/support/webmaster/tr/error-dictionary/robots-txt.md
- href: en/error-dictionary/robots-txt.md
type: text/markdown
title: Markdown version
- href: ../llms.txt
type: text/markdown
title: llms.txt
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com.tr/support/webmaster/en/llms.txt
# Robots.txt parsing errors
## Errors {#errors}
List of errors that may occur when parsing the `robots.txt` file.
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**Error**
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**Yandex extension**
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**Description**
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Rule doesn't start with / or *
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Yes
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A rule can start only with the / or * character.
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Multiple 'User-agent: *' rules found
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No
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Only one rule of this type is allowed.
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`Robots.txt` file size limit exceeded
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Yes
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The number of rules in the file exceeds 2048.
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No User-agent directive in front of rule.
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No
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A rule should always follow the User-agent directive. Perhaps, the file contains an empty line after User-agent.
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Rule too long
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Yes
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The rule exceeds the length limit (1024 characters).
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Invalid Sitemap file URL format
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Yes
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The `Sitemap` file URL should be specified in full, including the protocol. For example, `https://www.example.com/sitemap.xml`
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Invalid Clean-param directive format
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Yes
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The Clean-param directive should contain one or more parameters ignored by the robot, and the path prefix. Parameters are separated with the & character. They are separated from the path prefix with a space.
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|#
## Warnings {#warnings}
List of warnings that may appear when parsing the `robots.txt` file.
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**Warning**
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**Yandex extension**
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**Description**
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It's possible that an illegal character was used
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Yes
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The file contains a special character other than * and $.
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Unknown directive found
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Yes
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The file contains a directive that isn't described in the [rules for using robots.txt](https://yandex.com.tr/support/webmaster/en/controlling-robot/robots-txt.md). This directive may be used by the robots of other search engines.
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Syntax error
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Yes
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The string cannot be interpreted as a `robots.txt` directive.
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Unknown error
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Yes
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An unknown error occurred while analyzing the file. Contact the support service.
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|#
## URL validation errors {#url-errors}
The list of the URL validation errors in the **Robots.txt analysis** tool.
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**Error**
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**Description**
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Syntax error
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URL syntax error.
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This URL does not belong to your domain
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The specified URL does not belong to the site for which the file is parsed. Perhaps you entered the alternate site address or misspelled the domain name.
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|#
You can also go to
[](https://webmaster.yandex.com.tr/) [](https://webmaster.yandex.com.tr/)