---
title: "TYPO3 Exception 1518448686"
manual: "TYPO3 Exceptions"
version: "main"
permalink: "https://docs.typo3.org/permalink/t3exceptions:typo3-exception-1518448686"
source: "Exceptions/1518448686.rst"
rendered: "2026-10-13T16:58:17+00:00"
---

# TYPO3 Exception 1518448686 {#typo3-exception-1518448686}

> [!NOTE]
> Below, the TYPO3 community may have provided additional information or
> solutions for this exception. However, these may or may not apply to your
> particular case. If you can provide more information, you should come back
> here and add your experience and solution steps to this issue once you have
> resolved it.
>
> General TYPO3 troubleshooting tips can be found in the *Troubleshooting*
> section in the menu. You can also ask questions and receive support in the
> [TYPO3 Questions category on talk.typo3.org](https://talk.typo3.org/c/typo3-questions/).
>
> To add your experience, click "Edit on GitHub" above and follow the
> ["Edit on GitHub" workflow](https://docs.typo3.org/m/typo3/docs-how-to-document/main/en-us/Howto/EditOnGithub.html#docs-contribute-github-method).
> Also check out
> [our tip on Coding Style and reST](https://docs.typo3.org/permalink/t3exceptions:tip-about-rest-coding-style).

## No suitable request handler found {#no-suitable-request-handler-found}

The following exception may be displayed since TYPO3 v9 during login:

```
#1518448686 TYPO3\CMS\Core\Exception
No suitable request handler found.

```

## Reasons {#reasons}

The password for installation tool is missing in `LocalConfiguration.php`.
TYPO3 tries to find out the encryption type by analyzing the password in
order to allow logins after migrating to an other encrypting algorithm.

## Solutions {#solutions}

See [Recovering from a corrupt or missing install tool password](https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/ApiOverview/PasswordHashing/Troubleshooting.html#password-hashing-troubleshooting).