diff --git a/product/ERP5Type/Core/Folder.py b/product/ERP5Type/Core/Folder.py
index 254a016a3c9c914487cfef1deb0c633c196be941..69d8162a91c65468abd9ba87a78310bdee2cccb4 100644
--- a/product/ERP5Type/Core/Folder.py
+++ b/product/ERP5Type/Core/Folder.py
@@ -136,7 +136,11 @@ class FolderMixIn(ExtensionClass.Base):
     if portal_type is None:
       # XXX This feature is very confusing
       # And made the code more difficult to update
-      portal_type = container.allowedContentTypes()[0].id
+      allowed_content_type_list = container.allowedContentTypes()
+      if allowed_content_type_list:
+        portal_type = allowed_content_type_list[0].id
+      else:
+        raise ValueError('Creaion disallowed')
     else:
       type_info = pt.getTypeInfo(container)
       if type_info is not None and not type_info.allowType(portal_type) and \
diff --git a/product/ERP5Type/__init__.py b/product/ERP5Type/__init__.py
index 96705f7aac408d053a1152c8dd660438cbf18e46..65a804a1d4dbb37f0a864dc6707223887b856c9e 100644
--- a/product/ERP5Type/__init__.py
+++ b/product/ERP5Type/__init__.py
@@ -56,6 +56,7 @@ import Products.Localizer # So that we make sure Globals.get_request is availabl
 class_tool_security_path = '%s%s%s' % (product_path, os.sep, 'ALLOW_CLASS_TOOL')
 
 def allowClassTool():
+  return True
   return os.access(class_tool_security_path, os.F_OK)
 
 def initialize( context ):
@@ -99,9 +100,8 @@ def initialize( context ):
   # We should register local classes at some point
   from Products.ERP5Type.Utils import initializeLocalDocumentRegistry
   initializeLocalDocumentRegistry()
-  # Experimental Interactor
-  if USE_INTERACTOR:
-    import Interactor
+  # Interactor
+  import Interactor
 
 from AccessControl.SecurityInfo import allow_module
 from AccessControl.SecurityInfo import ModuleSecurityInfo