diff --git a/src/main/java/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java b/src/main/java/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java
index 670a21db..1ab04244 100644
--- a/src/main/java/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java
+++ b/src/main/java/de/dhbwstuttgart/parser/scope/JavaClassRegistry.java
@@ -31,7 +31,7 @@ public class JavaClassRegistry {
             if (name.equals(new JavaClassName(className)))
                 return name;
         }
-        throw new NotImplementedException();
+        throw new RuntimeException("Class " + className + " not found!");
     }
 
     @Override
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index 6920dab2..e1c82e94 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -546,9 +546,6 @@ public class TYPEStmt implements StatementVisitor {
 
                     GenericsResolver resolver = getResolverInstance();
                     Set<Constraint<Pair>> oneMethodConstraints = generateConstraint(superCall, assumption, info, resolver);
-                    System.out.println(">>>");
-                    System.out.println(oneMethodConstraints);
-                    System.out.println("<<<");
                     methodConstraints.addAll(oneMethodConstraints);
                 }
                 break;