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 section "Troubleshooting" of the menu, and live support is available in the TYPO3 Slack channel #typo3-cms. (See How to get your TYPO3 Slack account.)

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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

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

See Recovering from a corrupt or missing install tool password.