The7 theme

Add this code into function.php of your child theme.

Please make all changes to the child theme files, and do not add the code directly to the theme files, otherwise after updating the theme your fixes will be lost

function.php

// Add Groovy Menu integration function.
add_action( 'presscore_body_top', 'gm_child_show_menu', 1 );

if ( ! function_exists( 'gm_child_show_menu' ) ) {
	function gm_child_show_menu() {
		if ( function_exists( 'groovy_menu' ) ) {
			groovy_menu();

			// Remove default header menus.
			add_filter( 'presscore_show_header', '__return_false' );
		}
	}
}