Question 1

How to fix missing multilanguage navigation in Guide Theme after migrating from localhost to production?

Accepted Answer

Copy the 'data/multilang' folder (especially the 'index.txt' file) from your localhost to production. Also, edit navigation files to replace 'localhost:8080' with your domain. The error 'We did not find the page id in the mulitlangindex' indicates the multilanguage index is missing or incorrect. Additionally, ensure you migrate content, data/navigation, and data/multilang folders, and update all domain references.

Question 2

How to fix "Class Twig_SimpleFunction not found" on PHP 8.x with Twig 3?

Accepted Answer

Upgrade TYPEMILL to version 2.19.3 or later, where the issue is fixed. If you cannot upgrade immediately, edit `system/typemill/Plugin.php` around line 200 and replace `new Twig_SimpleFunction(...)` with `new \Twig\TwigFunction(...)`. This uses the namespaced Twig 3 class and resolves the fatal error during plugin activation.

Question 3

How to fix mixed content error in Typemill when running behind an SSL proxy?

Accepted Answer

Set `proxy: true` in your Typemill configuration (e.g., settings/settings.yaml). This ensures that `base_url()` returns https, fixing mixed content issues for images and API calls. Also set `fqdn` to your domain if not already done.

Question 4

Why are custom user fields added through a Typemill plugin not saved or displayed?

Accepted Answer

Use the `onUserfieldsLoaded` plugin event to add your field to `$userforms['userfields']`. Custom fields are loaded before `Validation::recursiveValidation()` runs, so they can be validated and persisted without a separate validation hook. The key requirement is that the field's array key must exactly match its `name` value; a mismatch causes the field to be filtered out. Example structure:

```php
public function onUserfieldsLoaded($data)
{
    $userforms = $data->getData();

$userforms['userfields']['website'] = [
        'name' => 'website',
        'label' => 'Website',
        'type' => 'text',
        'required' => false,
    ];

$data->setData($userforms);
}
```

After correcting the key/name mismatch, the custom field is sent to the Vue form and saved to the user account. See the Typemill `onUserfieldsLoaded` plugin event documentation for the full field-definition format.

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