Critical Error Elemailer lite

I am getting this error can someon please help me?

Error Details

=============

An error of type E_ERROR was caused in line 121 of the file /home/sycamore/public_html/wp-content/plugins/elementor/core/experiments/manager.php. Error message: Uncaught Error: Class 'container' not found in /home/sycamore/public_html/wp-content/plugins/elementor/core/experiments/manager.php:121

Stack trace:

#0 /home/sycamore/public_html/wp-content/plugins/elementor/core/modules-manager.php(56): Elementor\Core\Experiments\Manager->add_feature(Array)

#1 /home/sycamore/public_html/wp-content/plugins/elementor/includes/plugin.php(724): Elementor\Core\Modules_Manager->__construct()

#2 /home/sycamore/public_html/wp-content/plugins/elementor/includes/plugin.php(641): Elementor\Plugin->init_components()

#3 /home/sycamore/public_html/wp-includes/class-wp-hook.php(308): Elementor\Plugin->init('')

#4 /home/sycamore/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array)

#5 /home/sycamore/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)

#6 /home/sycamore/public_html/wp-settings.php(617): do_action('init')

#7 /home/sycamore/public_html/wp-config.php(96): require_once('/home/sycamore/...')

#8 /home/sycamore/public_html/wp-load.php(50)