Menu doesnt change

Hello, i bought this theme and try to change the menu with polylang, the problem is that the menu doesnt change, i looked up also the code in the files and the primary menu is there, Do you have any ideas? I post also the code of the menu!! Thank you alot and happy new year

<?php
		if ( has_nav_menu( 'primary' ) ){
			wp_nav_menu( 
				array(
				    'theme_location'    => 'primary',
				    'depth'             => 3,
				    'container'         => false,
				    'container_class'   => false,
				    'menu_class'        => 'pull-right'
				)
			);
		}
	?> 

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