Job queue has stopped

[nachbar]

After trying to set the firewall in ispconfig 3 my system hangs.

27.11.2012 19:40 Insert firewall

The system hangs because no dns can be reached. After stopping /etc/init.d/bastille-firewall stop the system works normal.

But the job queue has stopped. It hangs at Insert firewall...

The /var/log/ispconfig/ispconfig.log shows

28.11.2012-09:06 - DEBUG - Set Lock: /usr/local/ispconfig/server/temp/.ispconfig_lock
28.11.2012-09:06 - DEBUG - Found 11 changes, starting update process.
28.11.2012-09:06 - DEBUG - Replicated from master: REPLACE INTO firewall (`firewall_id`,`sys_userid`,`sys_groupid`,`sys_per m_user`,$
28.11.2012-09:06 - DEBUG - Calling function 'insert' from plugin 'firewall_plugin' raised by event 'firewall_insert'.
28.11.2012-09:06 - DEBUG - Writing firewall configuration /etc/Bastille/bastille-firewall.cfg
28.11.2012-09:06 - DEBUG - Restarting the firewall
28.11.2012-09:07 - DEBUG - There is already an instance of server.php running. Exiting.
28.11.2012-09:08 - DEBUG - There is already an instance of server.php running. Exiting.
28.11.2012-09:09 - DEBUG - There is already an instance of server.php running. Exiting.
28.11.2012-09:10 - DEBUG - There is already an instance of server.php running. Exiting.

No further jobs are done through the admin panel becuase the latest job Insert Firewall has a fault.
I really don't know how to resolve the problem.