[Zope] Problems getting server running in debug mode

Has anyone had any problems running in debug mode? I took out the # in the zope.conf file next to - debug-mode on which would set it to be on. However my server wouldn't come back up so I had to turn it off. Zope Version (Zope 2.8.0-final, python 2.3.5, linux2) Python Version 2.3.5 (#1, Jul 27 2005, 00:45:20) [GCC 3.3.2 20031022 (Red Hat Linux 3.3.2-1)] System Platform linux2 SOFTWARE_HOME /opt/Zope-2.8/lib/python ZOPE_HOME /opt/Zope-2.8 INSTANCE_HOME /home/zopeinstance CLIENT_HOME /home/zopeinstance/var Network Services ZServer.HTTPServer.zhttp_server (Port: 8080) Process Id 1401 (49156) Running For 29 min 33 sec