Job for zabbix-server.service failed because the control process exited with error...

[funkytwig]

Tried to srart zabbix server and got

$ service zabbix-server restart

Job for zabbix-server.service failed because the control process exited with error code. See "systemctl status zabbix-server.service" and "journalctl -xe" for details.

$ systemctl status zabbix-server.service

zabbix-server.service - Zabbix Server
Loaded: loaded (/lib/systemd/system/zabbix-server.service; disabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Thu 2016-07-28 23:31:35 BST; 4s ago
Process: 10673 ExecStart=/usr/sbin/zabbix_server -c $CONFFILE (code=exited, status=1/FAILURE)

Jul 28 23:31:35 saturn systemd[1]: zabbix-server.service: Control process exited, code=exited status=1
Jul 28 23:31:35 saturn systemd[1]: Failed to start Zabbix Server.
Jul 28 23:31:35 saturn systemd[1]: zabbix-server.service: Unit entered failed state.
Jul 28 23:31:35 saturn systemd[1]: zabbix-server.service: Failed with result 'exit-code'.

$ journalctl -xe

Jul 28 23:32:57 saturn systemd[1]: Starting Zabbix Server...
-- Subject: Unit zabbix-server.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman.../systemd-devel
--
-- Unit zabbix-server.service has begun starting up.
Jul 28 23:32:57 saturn zabbix_server[10696]: zabbix_server [10696]: /etc/zabbix/zabbix_server.conf.d: [2] No such file or directory
Jul 28 23:32:57 saturn systemd[1]: zabbix-server.service: Control process exited, code=exited status=1
Jul 28 23:32:57 saturn systemd[1]: Failed to start Zabbix Server.
-- Subject: Unit zabbix-server.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman.../systemd-devel
--
-- Unit zabbix-server.service has failed.
--
-- The result is failed.
Jul 28 23:32:57 saturn systemd[1]: zabbix-server.service: Unit entered failed state.
Jul 28 23:32:57 saturn systemd[1]: zabbix-server.service: Failed with result 'exit-code'.

I am on Ubuntu 15.10, mariadb 10.0, Zabbix 3.0.4

Any ideas?
Ben