Invalid Parameter 📋

Cake\Controller\Exception\InvalidParameterException
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Error The passed parameter or parameter type is invalid in Pages::downloadBook()

        $action $controller->getAction();
        $args $this->getActionArgs(
            $action,
            array_values((array)$controller->getRequest()->getParam('pass'))
        );
        $controller->invokeAction($action$args);
        $result $controller->shutdownProcess();

Error Missing passed parameter for `element` in action Pages::downloadBook().

404

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