final fix

SoftwareInstallation/AbstractSoftwareInstallationContracts/BindingModels/PackageBindingModel.cs

@@ -13,6 +13,5 @@ namespace AbstractSoftwareInstallationContracts.BindingModels
         public string PackageName { get; set; } = string.Empty;
         public double Price { get; set; }
         public Dictionary<int, (ISoftwareModel, int)> PackageSoftware{get;set;} = new();
-        public object PackageSoftwares { get; set; }
     }
 }

SoftwareInstallation/SoftwareInstallation/FormPackage.cs

@@ -189,6 +189,7 @@ namespace SoftwareInstallationView
                     Id = _id ?? 0,
                     PackageName = textBoxName.Text,
                     Price = Convert.ToDouble(textBoxPrice.Text),
+                    PackageSoftware = _packageSoftwares
                 };
                 var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);