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Please note that this documentation is for the most recent version of this extension. It may not be relevant for older versions. Related documentation can be found in the documentation directory of the extension.

Sending a request ends in a 404 error

The AJAX request of form results a:

Page Not Found
Reason: Request parameters could not be validated (&cHash empty)

Solution 1.

Open the Installtool and disable pageNotFoundOnCHashError setting: [FE][pageNotFoundOnCHashError] = false

Solution 2.

Exclude the parameters of the request like this (LocalConfigration/settings.php):

'FE' => [
    'cacheHash' => [
        'enforceValidation' => true,
        'excludedParameters' => [
            'theme',
            'simulateDay',
            'demo',
            'useSnow',
        ],
    ],
Last change: 2026-09-16

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