diff --git a/Core/Scripts/Editor/Config/CopyConfigPostProcessor.cs b/Core/Scripts/Editor/Config/CopyConfigPostProcessor.cs
index 8d91b270..9f4bc104 100644
--- a/Core/Scripts/Editor/Config/CopyConfigPostProcessor.cs
+++ b/Core/Scripts/Editor/Config/CopyConfigPostProcessor.cs
@@ -23,7 +23,7 @@ static CopyConfigPostProcessor()
                 outputIniFile.WriteLine("SHARE_DIR=C:/projects/sofa-src/share/");
                 outputIniFile.WriteLine("EXAMPLES_DIR=" + SofaUnityDir);
                 outputIniFile.WriteLine("LICENSE_DIR=" + Application.dataPath + "/SofaUnity/License/");
-                outputIniFile.WriteLine("PYTHON_DIR=" + Application.dataPath + "/SofaUnity/Core/Plugins/Native/x64/");
+                outputIniFile.WriteLine("BUILD_DIR=" + Application.dataPath + "/SofaUnity/Core/Plugins/Native/x64/");
             }
         }
 
diff --git a/Scenes/SofaScenes/liver.py b/Scenes/SofaScenes/liver.py
index aa696e6f..32188b01 100644
--- a/Scenes/SofaScenes/liver.py
+++ b/Scenes/SofaScenes/liver.py
@@ -52,7 +52,7 @@ def createScene(root):
     root.addObject('CollisionPipeline', name="CollisionPipeline")
     root.addObject('BruteForceBroadPhase', name="BroadPhase")
     root.addObject('BVHNarrowPhase', name="NarrowPhase")
-    root.addObject('DefaultContactManager', name="CollisionResponse", response="PenalityContactForceField")
+    root.addObject('CollisionResponse', name="CollisionResponse", response="PenalityContactForceField")
     root.addObject('DiscreteIntersection')
 
     root.addObject('MeshOBJLoader', name="LiverSurface", filename="mesh/liver-smooth.obj")
@@ -66,7 +66,7 @@ def createScene(root):
     liver.addObject('TetrahedronSetGeometryAlgorithms', template="Vec3d", name="GeomAlgo")
     liver.addObject('DiagonalMass', name="Mass", massDensity="1.0")
     liver.addObject('TetrahedralCorotationalFEMForceField', template="Vec3d", name="FEM", method="large", poissonRatio="0.3", youngModulus="3000", computeGlobalMatrix="0")
-    liver.addObject('FixedConstraint', name="FixedConstraint", indices="3 39 64")
+    liver.addObject('FixedProjectiveConstraint', name="FixedConstraint", indices="3 39 64")
 
     visu = liver.addChild('Visu')
     visu.addObject('OglModel', name="VisualModel", src="@../../LiverSurface")
diff --git a/Scenes/SofaScenes/liver_interaction.py b/Scenes/SofaScenes/liver_interaction.py
index 55db84ed..23dcff54 100644
--- a/Scenes/SofaScenes/liver_interaction.py
+++ b/Scenes/SofaScenes/liver_interaction.py
@@ -105,11 +105,11 @@ def createScene(root):
 
     root.addObject('DefaultAnimationLoop')
 
-    root.addObject('VisualStyle', displayFlags="hideCollisionModels")
+    root.addObject('VisualStyle', displayFlags="showCollisionModels")
     root.addObject('CollisionPipeline', name="CollisionPipeline")
     root.addObject('BruteForceBroadPhase', name="BroadPhase")
     root.addObject('BVHNarrowPhase', name="NarrowPhase")
-    root.addObject('DefaultContactManager', name="CollisionResponse", response="PenalityContactForceField")
+    root.addObject('CollisionResponse', name="CollisionResponse", response="PenalityContactForceField")
     root.addObject('DiscreteIntersection')
 
     root.addObject('MeshOBJLoader', name="LiverSurface", filename="mesh/liver-smooth.obj")
@@ -123,7 +123,7 @@ def createScene(root):
     liver.addObject('TetrahedronSetGeometryAlgorithms', template="Vec3d", name="GeomAlgo")
     liver.addObject('DiagonalMass', name="Mass", massDensity="1.0")
     liver.addObject('TetrahedralCorotationalFEMForceField', template="Vec3d", name="FEM", method="large", poissonRatio="0.3", youngModulus="3000", computeGlobalMatrix="0")
-    liver.addObject('FixedConstraint', name="FixedConstraint", indices="3 39 64")
+    liver.addObject('FixedProjectiveConstraint', name="FixedConstraint", indices="3 39 64")
 
     visu = liver.addChild('Visu')
     visu.addObject('OglModel', name="VisualModel", src="@../../LiverSurface")