final fix

Hotel/HotelBusinessLogic/BusinessLogics/ReportLogicHeadwaiter.cs

@@ -6,6 +6,7 @@ using HotelContracts.SearchModels;
 using HotelContracts.StoragesContracts;
 using HotelContracts.ViewModels;
 using HotelDataBaseImplement.Models;
+using DocumentFormat.OpenXml.Wordprocessing;
 
 namespace HotelBusinessLogic.BusinessLogics
 { 
@@ -116,6 +117,8 @@ namespace HotelBusinessLogic.BusinessLogics
                 foreach (var mp in conferenceBooking.ConferenceBookingLunches.Values)
                 {
                     var conference = conferenced.FirstOrDefault(dp => dp.Id == conferenceBooking.ConferenceId);
+                    if (conference != null)
+                    {
                         listAll.Add(new ReportLunchesViewModel
                         {
                             LunchName = mp.LunchName,
@@ -125,6 +128,7 @@ namespace HotelBusinessLogic.BusinessLogics
                         });
                     }
                 }
+            }
 
             return listAll;
         }

Hotel/HotelBusinessLogic/BusinessLogics/ReportLogicOrganiser.cs

@@ -116,6 +116,8 @@ namespace HotelBusinessLogic.BusinessLogics
                 foreach (var mp in mealPlan.MealPlanMembers.Values)
                 {
                     var room = rooms.FirstOrDefault(r => r.MealPlanId == mealPlan.Id);
+                    if (room != null)
+                    {
                         listAll.Add(new ReportMembersViewModel
                         {
                             MemberSurname = mp.MemberSurname,
@@ -126,6 +128,7 @@ namespace HotelBusinessLogic.BusinessLogics
                         });
                     }
                 }
+            }
 
             return listAll;
         }

Hotel/HotelHeadwaiterApp/Properties/launchSettings.json

@@ -12,7 +12,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "applicationUrl": "https://localhost:7020;http://localhost:5029",
+      "applicationUrl": "https://localhost:7040;http://localhost:5049",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }