[FIX] Fix pos_customer_display with Floors in Restaurant

pos_customer_display/static/src/js/customer_display.js

@@ -272,6 +272,7 @@ odoo.define('pos_customer_display', function(require) {
         render_paymentlines: function(){
             var res = this._super();
             var currentOrder = this.pos.get_order();
+            if (currentOrder) {
                 var paidTotal = currentOrder.get_total_paid();
                 var dueTotal = currentOrder.get_total_with_tax();
                 var change = paidTotal > dueTotal ? paidTotal - dueTotal : 0;
@@ -279,6 +280,7 @@ odoo.define('pos_customer_display', function(require) {
                     var change_rounded = change.toFixed(2);
                     this.pos.prepare_text_customer_display('update_payment', {'change': change_rounded});
                 }
+            }
             return res;
         },
     });