ZenPacks.MJW.BarracudaMonitor

trying to install the ZenPacks.MJW.BarracudaMonitor zenpack from http://wiki.zenoss.org/ZenPack:Barracuda_Monitor and when I do I get errors when I restart zenoss

Traceback (most recent call last):
File "/opt/zenoss/Products/ZenRRD/zenprocess.py", line 25, in
import Globals
File "/opt/zenoss/lib/python/Globals/__init__.py", line 73, in
from App.ProductContext import ProductContext
File "/opt/zenoss/lib/python/App/ProductContext.py", line 26, in
from HelpSys import APIHelpTopic
File "/opt/zenoss/lib/python/HelpSys/__init__.py", line 15, in
import HelpSys
File "/opt/zenoss/lib/python/HelpSys/HelpSys.py", line 28, in
from Products.ZCatalog.Lazy import LazyCat
File "/opt/zenoss/lib/python/Products/ZCatalog/__init__.py", line 16, in
import ZCatalog
File "/opt/zenoss/lib/python/Products/ZCatalog/ZCatalog.py", line 47, in
from Products.ZCatalog.Catalog import Catalog, CatalogError
File "/opt/zenoss/lib/python/Products/ZCatalog/Catalog.py", line 34, in
from CatalogBrains import AbstractCatalogBrain, NoBrainer
File "/opt/zenoss/lib/python/Products/ZCatalog/CatalogBrains.py", line 14, in
from pkg_resources import DistributionNotFound
File "/opt/zenoss/lib/python/pkg_resources.py", line 2623, in
add_activation_listener(lambda dist: dist.activate())
File "/opt/zenoss/lib/python/pkg_resources.py", line 679, in subscribe
callback(dist)
File "/opt/zenoss/lib/python/pkg_resources.py", line 2623, in
add_activation_listener(lambda dist: dist.activate())
File "/opt/zenoss/lib/python/pkg_resources.py", line 2172, in activate
map(declare_namespace, self._get_metadata('namespace_packages.txt'))
File "/opt/zenoss/lib/python/pkg_resources.py", line 1790, in declare_namespace
_handle_ns(packageName, path_item)
File "/opt/zenoss/lib/python/pkg_resources.py", line 1761, in _handle_ns
loader.load_module(packageName); module.__path__ = path
File "/opt/zenoss/lib/python2.7/pkgutil.py", line 238, in load_module
mod = imp.load_module(fullname, self.file, self.filename, self.etc)
File "/home/zenoss/ZenPacks.MJW.BarracudaMonitor/ZenPacks/MJW/BarracudaMonitor/__init__.py", line 6, in
from Products.CMFCore.DirectoryView import registerDirectory
File "/opt/zenoss/lib/python/Products/CMFCore/__init__.py", line 19, in
import MembershipTool, WorkflowTool, CatalogTool, DiscussionTool
File "/opt/zenoss/lib/python/Products/CMFCore/CatalogTool.py", line 26, in
from Products.ZCatalog.ZCatalog import ZCatalog
ImportError: cannot import name ZCatalog

is there a way to get this installed and working any help would be appreciated.