Houzez - Fatal error: Uncaught TypeError: trim(): Argument #1 ($string) must be of type string...

Resolved

Overview of the issue

If your website is running on PHP 8 and you attempt to translate a page using Houzez Elementor widget, Houzez Icon Box, you will find the following error:

PHP Fatal error: Uncaught TypeError: trim(): Argument #1 ($string) must be of type string, array given in ,,,/wp-content/plugins/sitepress-multilingual-cms/addons/wpml-page-builders/classes/Shared/st/class-wpml-pb-string-registration.php:95

Workaround

Go to WPML > Configuration > Custom XML Configuration.
Add the following code:
XML file for Houzez Icon Box widget
```
<wpml-config>
  <elementor-widgets>
    <widget name="houzez_elementor_icon_box">
      <conditions>
        <condition key="widgetType">houzez_elementor_icon_box</condition>
      </conditions>
      <fields-in-item items_of="icon_boxes">
        <field type="Icon Box: Title" editor_type="LINE">title</field>
        <field type="Icon Box: Text" editor_type="LINE">text</field>
        <field type="Icon Box: Read More Text" editor_type="AREA">read_more_text</field>
        <field type="Icon Box: Read More Link" editor_type="LINK">read_more_link>link</field>
      </fields-in-item>
    </widget>
  </elementor-widgets>
</wpml-config>
```
Try to translate your page again.