n.
	 *
	 * Used to add a new section of controls to the stack.
	 *
	 * @access public
	 *
	 * @param string $id   Section ID.
	 * @param array  $args Section arguments.
	 */

	public function start_controls_section( $id, $args = [] ) {
		$this->parent->start_controls_section( $this->get_control_id( $id ), $args );
	}

	/**
	 * End controls section.
	 *
	 * Used to close an existing open controls section.
	 *
	 * @access public
	 */
	public function end_controls_section() {
		$this->parent->end_controls_section();
	}

	/**
	 * Start controls tabs.
	 *
	 * Used to add a new set of tabs inside a section.
	 *
	 * @access public
	 *
	 * @param string $id Control ID.
	 */
	public function start_controls_tabs( $id ) {
		$this->parent->start_controls_tabs( $this->get_control_id( $id ) );
	}

	public function start_controls_tab( $id, $args ) {
		$this->parent->start_controls_tab( $this->get_control_id( $id ), $args );
	}


	/**
	 * End controls tabs.
	 *
	 * Used to close an existing open controls tabs.
	 *
	 * @access public
	 */
	public function end_controls_tab() {
		$this->parent->end_controls_tab();
	}

	/**
	 * End controls tabs.
	 *
	 * Used to close an existing open controls tabs.
	 *
	 * @access public
	 */
	public function end_controls_tabs() {
		$this->parent->end_controls_tabs();
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Elementor\Sub_Controls_Stack' not found in /home/sportuga/public_html/wp-content/plugins/elementor/includes/base/skin-base.php:20
Stack trace:
#0 /home/sportuga/public_html/wp-content/plugins/elementor/includes/managers/skins.php(111): require()
#1 /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php(719): Elementor\Skins_Manager-&gt;__construct()
#2 /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php(647): Elementor\Plugin-&gt;init_components()
#3 /home/sportuga/public_html/wp-includes/class-wp-hook.php(324): Elementor\Plugin-&gt;init('')
#4 /home/sportuga/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#5 /home/sportuga/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#6 /home/sportuga/public_html/wp-settings.php(695): do_action('init')
#7 /home/sportuga/public_html/wp-config.php(102): require_once('/home/sportuga/...')
#8 /home/sportuga/public_html/wp-load.php(50): require_once('/home/sportuga in <b>/home/sportuga/public_html/wp-content/plugins/elementor/includes/base/skin-base.php</b> on line <b>20</b><br />