Unable to translate one custom post type slug in WPML

Try this

    add_action( 'init', 'create_post_type');    function create_post_type() {        $labels = array(        'name'               => _x( 'Products', 'general name of the post type' ),        'singular_name'      => _x( 'Products', 'name for one object of this post type' ),       );       $args = array(         'labels' =>  $labels, // An array that defines the different labels assigned to the custom post type         'public' =>  true, // To show the custom post type on the WordPress dashboard         'supports' => array( 'title', 'thumbnail', 'page-attributes' ),         'has_archive' =>  true, //Enables the custom post type archive at          'hierarchical' =>  true, //Enables the custom post type to have a hierarchy         'rewrite' => array( _x('slug' => 'products'), 'with_front' => false ),    );    register_post_type( 'products', $args );    }

Have you flushed the rewrite rules?

Go to Settings > Permalinks and refresh.

Note: If registering a post type inside of a plugin, call flush_rewrite_rules() in your activation and deactivation hook (see Flushing Rewrite on Activation below). If flush_rewrite_rules() is not used, then you will have to manually go to Settings > Permalinks and refresh your permalink structure before your custom post type will show the correct structure.

source: https://codex.wordpress.org/Function_Reference/register_post_type