Hello, many times now I tried to start zope, but I always get the following error: mapr@AtomN270 /opt/TESTInstance/bin $ ./runzope Traceback (most recent call last): File "/opt/bin/runzope", line 8, in <module> load_entry_point('Zope2==2.13.15', 'console_scripts', 'runzope')() File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/run.py", line 22, in run starter.prepare() File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/__init__.py", line 86, in prepare self.startZope() File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/Startup/__init__.py", line 259, in startZope Zope2.startup() File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/__init__.py", line 46, in startup from Zope2.App.startup import startup as _startup File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/Zope2/App/startup.py", line 38, in <module> import OFS.Application File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/Application.py", line 22, in <module> import App.Product File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/App/Product.py", line 44, in <module> from OFS.Folder import Folder File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/Folder.py", line 24, in <module> from webdav.Collection import Collection File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/webdav/Collection.py", line 30, in <module> from webdav.Resource import Resource File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/webdav/Resource.py", line 35, in <module> from OFS.event import ObjectClonedEvent File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/event.py", line 20, in <module> import OFS.interfaces File "/opt/lib/python2.7/site-packages/Zope2-2.13.15-py2.7.egg/OFS/interfaces.py", line 19, in <module> from zope.location.interface import IPossibleSite ImportError: No module named interface log/event.log shows: ------ 2012-09-10T21:59:59 INFO ZServer HTTP server started at Mon Sep 10 21:59:59 2012 Hostname: 0.0.0.0 Port: 8080 and var/zope.conf: %define INSTANCE /opt/TESTInstance instancehome $INSTANCE effective-user mapr <eventlog> level info <logfile> path $INSTANCE/log/event.log level info </logfile> </eventlog> <logger access> level WARN <logfile> path $INSTANCE/log/Z2.log format %(message)s </logfile> </logger> <http-server> address 8080 </http-server> <zodb_db main> <filestorage> path $INSTANCE/var/Data.fs </filestorage> mount-point / </zodb_db> <zodb_db temporary> <temporarystorage> name temporary storage for sessioning </temporarystorage> mount-point /temp_folder container-class Products.TemporaryFolder.TemporaryContainer </zodb_db> Z2.log is empty ... Any ideas? Thanks in advance, Mario