diff --git a/Task.cpp b/Task.cpp
index 4df499a..fa07182 100644
--- a/Task.cpp
+++ b/Task.cpp
@@ -55,8 +55,16 @@ namespace models
     ostream& operator<<(ostream& os, const Task& t)
     {
         os << t.get_id() << " %" << t.get_name() << "% %" << t.get_description();
-        for (const int id : t.children)
-            os << " " << id << " ";
+        // Fügt Childen Task mit passenden Lehrzeichen hinzu
+        if (!t.children.empty())
+            os << " ";
+            for (size_t i = 0; i < t.children.size(); ++i) {
+                os << t.children[i];
+                if (i < t.children.size() - 1) {
+                    os << " ";
+                }
+            }
+
         os << "\n";
         return os;
     }
@@ -71,6 +79,8 @@ namespace models
         try
         {
             string name = Util::read_string_between_percent(is);
+            if (name == "")
+                throw Error(102, "Ein Parameter eines Befehls konnte nicht gelesen werden");
             string description = Util::read_string_between_percent(is);
             vector<int> children = Util::read_numbers(is);
             t = {id, name, description, children};
diff --git a/main.cpp b/main.cpp
index f45f2b6..4014c5c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -50,16 +50,16 @@ int main(int argc, char** argv)
             {
                 sc->run(parameter);
                 if (sc->should_display_result())
-                    cout << "100\nAlles erfolgreich\n";
+                    cout << "100: Alles erfolgreich\n";
                 return 0;
             }
         }
     }
     catch (Error& e)
     {
-        cout << e.get_nr() << "\n" << e.what() << "\n";
+        cout << e.get_nr() << ": " << e.what() << "\n";
         return 0;
     }
-    cout << "101\nBefehl ist unbekannt.\n";
+    cout << "101: Befehl ist unbekannt.\n";
     return 0;
 }