diff --git a/multi_user/__init__.py b/multi_user/__init__.py
index e8fbcbe..3e91e80 100644
--- a/multi_user/__init__.py
+++ b/multi_user/__init__.py
@@ -63,11 +63,14 @@ def register():
     
     environment.setup(DEPENDENCIES,bpy.app.binary_path_python)
 
-    from . import presence
-    from . import operators
-    from . import ui
-    from . import preferences
-    from . import addon_updater_ops
+    try:
+        from . import presence
+        from . import operators
+        from . import ui
+        from . import preferences
+        from . import addon_updater_ops
+    except ModuleNotFoundError:
+        logger.error("Libraries not installed, try to relaunch blender with admin rights")
 
     preferences.register()
     addon_updater_ops.register(bl_info)
diff --git a/multi_user/libs/replication b/multi_user/libs/replication
index e9488ad..5af000d 160000
--- a/multi_user/libs/replication
+++ b/multi_user/libs/replication
@@ -1 +1 @@
-Subproject commit e9488ad77cd56699d0ae06b1c003a761df2701ce
+Subproject commit 5af000d6e316e2fe36cdb8c30fd7e77c8fe9bbae
diff --git a/tests/test_bl_types/test_scene.py b/tests/test_bl_types/test_scene.py
index 2772a00..eb72058 100644
--- a/tests/test_bl_types/test_scene.py
+++ b/tests/test_bl_types/test_scene.py
@@ -9,7 +9,7 @@ from multi_user.bl_types.bl_scene import BlScene
 
 def test_scene(clear_blend):
     datablock = bpy.data.scenes.new("toto")
-    
+    datablock.view_settings.use_curve_mapping = True
     # Test
     implementation = BlScene()
     expected = implementation._dump(datablock)