<?php
return [
    'pikkuleipa' => [
        'cookie_settings' => [
            'helios' => [
                'path' => '/',
                'secure' => false,
                'lifetime' => 2592000,
            ],
        ],
    ],
    'helios' => [
        'cookie_name' => 'helios',
        'refresh_time' => '60',
        'identity_lookup_id' => '',
    ],
];

<?php
return [
    'pikkuleipa' => [
        'cookie_settings' => [
            'helios' => [
                'path' => '/',
                'secure' => false,
                'lifetime' => 2592000,
            ],
        ],
    ],
    'helios' => [
        'cookie_name' => 'helios',
        'refresh_time' => 60,
        'identity_lookup_id' => '',
    ],
];

Change variable type from string to int to avoid startup error
Change variable type from string to int to avoid startup error