Fix: more struggles with broken build

Author: uxmal

src/Core/Configuration/PlatformDefinition.cs

@@ -115,7 +115,7 @@ public virtual IPlatform Load(IServiceProvider services, IProcessorArchitecture
             var type = svc.GetType(TypeName);
             if (type is null)
                 throw new TypeLoadException(
-                    string.Format("Unable to load {0} environment.", Description));
+                    $"Unable to load {Description} environment.");
             var platform = (Platform)Activator.CreateInstance(type, services, arch)!;
             LoadSettingsFromConfiguration(services, platform);
             return platform;

src/tools/c2xml/Program.cs

@@ -113,8 +113,13 @@ public int DoExecute(string [] args)
             catch (Exception ex)
             {
                 Console.WriteLine(
-                    $"c2xml: an error occurred when loading platform {envElem.Name} ({envElem.TypeName}). {ex.Message}");
+                    $"c2xml: an error occurred when loading platform {envElem.Name} ({envElem.TypeName}).");
+                for (Exception e = ex; e is not null; e = e.InnerException)
+                {
+                    Console.WriteLine($" {e.Message}");
+                }
                 Console.WriteLine(ex.StackTrace);
+                Console.WriteLine("Constructor(s):");
                 return 1;
             }