Same here:
The error messagem was:
Um erro do tipo E_ERROR foi causado na linha 124 do ficheiro /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponion/wponion/setup/class-setup.php. Mensagem de erro: Uncaught Error: Class ‘WPOnion\Integrations\Page_Builders\Elementor’ not found in /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponion/wponion/setup/class-setup.php:124 Stack trace: #0 /home/wwwmanus/public_html/wp-includes/class-wp-hook.php(287): WPOnion\Setup::on_wponion_loaded(”) #1 /home/wwwmanus/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(”, Array) #2 /home/wwwmanus/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #3 /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponion/wponion/setup/class-setup.php(98): do_action(‘wponion/loaded’) #4 /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponion/wponion/setup/class-setup.php(49): WPOnion\Setup::load_required_files() #5 /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponion/wponion/setup/class-setup.php(346): WPOnion\Setup::init() #6 /home/wwwmanus/public_html/wp-content/plugins/wc-product-subtitle/vendor/wponi