1 files changed, 4 insertions, 4 deletions
diff --git a/src/main/java/com/c2kernel/collection/AggregationDescription.java b/src/main/java/com/c2kernel/collection/AggregationDescription.java
index 400a91d..a1f979d 100644
--- a/src/main/java/com/c2kernel/collection/AggregationDescription.java
+++ b/src/main/java/com/c2kernel/collection/AggregationDescription.java
@@ -27,8 +27,8 @@ package com.c2kernel.collection;
  */
 
 import com.c2kernel.common.InvalidCollectionModification;
-import com.c2kernel.common.ObjectAlreadyExists;
-import com.c2kernel.common.ObjectNotFound;
+import com.c2kernel.common.ObjectAlreadyExistsException;
+import com.c2kernel.common.ObjectNotFoundException;
 import com.c2kernel.graph.model.Vertex;
 import com.c2kernel.property.PropertyDescriptionList;
 import com.c2kernel.property.PropertyUtility;
@@ -48,7 +48,7 @@ public class AggregationDescription extends Aggregation implements CollectionDes
     }
 
     @Override
-	public Aggregation newInstance() throws ObjectNotFound
+	public Aggregation newInstance() throws ObjectNotFoundException
     {
     	AggregationInstance newInstance = new AggregationInstance(getName());
     	//for each desc member
@@ -65,7 +65,7 @@ public class AggregationDescription extends Aggregation implements CollectionDes
                     Vertex v = getLayout().getVertexById(mem.getID());
                     newInstance.addMember(null, PropertyUtility.createProperty(pdList), pdList.getClassProps(),v.getCentrePoint(),v.getWidth(),v.getHeight());
                 } catch (InvalidCollectionModification e) { 
-                } catch (ObjectAlreadyExists e) { }
+                } catch (ObjectAlreadyExistsException e) { }
 			}
 			else
 			{