Index: org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/Ast2DomContext.java
===================================================================
--- org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/Ast2DomContext.java	(revision 213)
+++ org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/Ast2DomContext.java	(working copy)
@@ -5,9 +5,9 @@
 
 public class Ast2DomContext {
 
-	DomElementCreatorFactory domElementCreatorFactory;
-	DomFactory domFactory;
-	TypeCreatorFactory typeCreatorFactory;
+	protected DomElementCreatorFactory domElementCreatorFactory;
+	protected DomFactory domFactory;
+	protected TypeCreatorFactory typeCreatorFactory;
 	
 	public Ast2DomContext()
 	{
Index: org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/TypeCreatorFactory.java
===================================================================
--- org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/TypeCreatorFactory.java	(revision 213)
+++ org.eclipse.epsilon.eol.dom.ast2dom/src/org/eclipse/epsilon/eol/dom/ast2dom/TypeCreatorFactory.java	(working copy)
@@ -28,9 +28,11 @@
 		else if(s.equalsIgnoreCase("Sequence")) t = (Type) new SequenceTypeCreator().create(null, null, context);
 		else if(s.equalsIgnoreCase("Bag")) t = (Type) new BagTypeCreator().create(null, null, context);
 		
-		t.setContainer(e);
-		t.setLine(e.getLine());
-		t.setColumn(e.getColumn());
+		if (t != null) {
+			t.setContainer(e);
+			t.setLine(e.getLine());
+			t.setColumn(e.getColumn());
+		}
 		return t;
 	}
 }