diff --git a/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.cpp b/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.cpp
index 6e1baec..bdcdae3 100644
--- a/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.cpp
+++ b/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.cpp
@@ -21,7 +21,7 @@ bool DestructionPower::EvaluateQuality (const coor constraintCoordinate, quality
 {
 }
 
-bool DestructionPower::SetConstraintOnPosition(const coor constraintCoordinate, const AbstractionLayer_1_Properties constraint)
+bool DestructionPower::SetConstraintOnPosition(const coor constraintCoordinate, const DestructionPower_Properties constraint)
 {
 }
 
diff --git a/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.h b/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.h
index f910a18..2319f9e 100644
--- a/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.h
+++ b/Source/functions/AbstractionLayers/DestructionPower/DestructionPower.h
@@ -19,12 +19,11 @@ class DestructionPower : public AbstractionLayer_Base<DestructionPower_Propertie
 public:
     void PreProcessing(coor mySize,const vector<Part*>* partArray)override;
     bool EvaluateQuality (coor constraintCoordinate, qualityVector& qVector) override;
-    bool SetConstraintOnPosition(coor constraintCoordinate, AbstractionLayer_1_Properties constraint);
+    bool SetConstraintOnPosition(coor constraintCoordinate, DestructionPower_Properties constraint);
     bool RemoveConstraintOnPosition(coor constraintCoordinate)override;
 
     void DestructionOfSurrounding(coor constraintCoordinate);
     int getNextAbstractionLayer(coor newCoordinate, int currentAbstractionLayer);
 
-
 private:
 };
diff --git a/Source/functions/solve/structure.cpp b/Source/functions/solve/structure.cpp
index ef225a1..cfa5a78 100755
--- a/Source/functions/solve/structure.cpp
+++ b/Source/functions/solve/structure.cpp
@@ -44,7 +44,7 @@ void createNextLogElement(vector<LogEntry>& log, vector<Part*>& p_Box, Puzzle& p
 {
 	log.emplace_back(LogEntry(coor(0, 0)));
    	log.back().myCoor = calculateNextCoor(log, p_Box,puzzleMat);
-    puzzleMat.dp->DestructionOfSurrounding(log.back().myCoor);//calculate dp from surrounding
+    puzzleMat.dp.DestructionOfSurrounding(log.back().myCoor);//calculate dp from surrounding
    	solve(log, p_Box,puzzleMat);
 
 }
@@ -69,7 +69,7 @@ coor calculateNextCoor(vector<LogEntry>& log, vector<Part*>& p_Box, Puzzle& puzz
 
 void solve(vector<LogEntry>& log, vector<Part*>& p_Box, Puzzle& puzzleMat)
 {
-	puzzleMat.dp->getNextAbstractionLayer(log.back().myCoor,log.back().abstractionLevel); //sets in abstractionLevel
+	puzzleMat.dp.getNextAbstractionLayer(log.back().myCoor,log.back().abstractionLevel); //sets in abstractionLevel
 	//status(log,p_Box,puzzleMat);
     switch(log.back().abstractionLevel)
     {
diff --git a/Source/header/solve.h b/Source/header/solve.h
index 47ade58..3150ed9 100755
--- a/Source/header/solve.h
+++ b/Source/header/solve.h
@@ -50,7 +50,7 @@ public:
     coor getSizeAsCoor()
     {return {cols,rows};}
 
-    DestructionPower* dp;
+    DestructionPower dp;
     AbstractionLayer_1 a1;
 
     void removeConstrains(coor removeCoordinates);