diff --git a/README_aktuelle_Branches b/README_aktuelle_Branches
new file mode 100644
index 00000000..faaa8afa
--- /dev/null
+++ b/README_aktuelle_Branches
@@ -0,0 +1,10 @@
+Stand: 24.5.21
+  bigRefactoring: Master-Brach
+  bigRefactoringUnifyComment: Dokumentation Unify, Martin
+  bytecodeGenericsSecond: Generated Generics, Ali, Martin
+  inferWildcards, Wildcards, Till
+  master, derzeit nicht genutzt
+  plugin, eigemntlicher Branch fuer Plugin-Basis, derzeit nicht aktuelle (aktuelle Version in simplifyRes
+  simplifyRes, Basis fuer Plugin, sollte auf Plugin gemerged werden, noch keine Packages, Michael
+  strucTypesNew, Struturelle Typen, alte Basis, arbeite derzeit niemand
+
diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/type/GenericRefType.java b/src/main/java/de/dhbwstuttgart/syntaxtree/type/GenericRefType.java
index 4ca2ebd6..644dbaee 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/type/GenericRefType.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/type/GenericRefType.java
@@ -38,5 +38,12 @@ public class GenericRefType extends RefTypeOrTPHOrWildcardOrGeneric
 		// TODO Auto-generated method stub
 		return false;
 	}
+	
+	    
+	 @Override
+	public String toString()
+	{
+		 return "GTV " + this.name;
+	}
 }
 
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
index 5abacf70..d9ccb66c 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java
@@ -269,6 +269,9 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			System.err.println("no log-File");
 		}
 		if (isUndefinedPairSetSet(res)) { 
+			//fuer debug-Zwecke
+			ArrayList al = res.stream().map(x -> x.stream().collect(Collectors.toCollection(ArrayList::new)))
+					          .collect(Collectors.toCollection(ArrayList::new));
 				throw new TypeinferenceException("Unresolved constraints: " + res.toString(), new NullToken()); //return new HashSet<>(); 
 			}
 		else {
@@ -2181,6 +2184,12 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>>  {
 			
 		Set<Set<UnifyPair>> result = new HashSet<>();
 		
+		if (thetaPrime instanceof ReferenceType && ((ReferenceType)thetaPrime).isGenTypeVar()) {
+			Set<UnifyPair> resultOne = new HashSet<>();
+			resultOne.add(new UnifyPair (a, thetaPrime, PairOperator.EQUALSDOT, pair.getSubstitution(), pair));
+			result.add(resultOne);
+		}     
+		
 		boolean allGen = thetaPrime.getTypeParams().size() > 0;
 		for(UnifyType t : thetaPrime.getTypeParams())
 			if(!(t instanceof PlaceholderType) || !((PlaceholderType) t).isGenerated()) {