[syslog-ng] Unable to install ubuntu 16.04

[Simon Mousey Smith]

Hi All

Im struggling to install the syslog-ng-mod-sql on ubuntu 16.04

It keeps saying  'syslog-ng-mod-sql : Depends: syslog-ng-abi-3.9-0 but it is not installable'

root at syslog:~# apt-get install syslog-ng-core syslog-ng-mod-sql
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 syslog-ng-mod-sql : Depends: syslog-ng-abi-3.9-0 but it is not installable
E: Unable to correct problems, you have held broken packages.

root at syslog:~# apt-get install syslog-ng-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  syslog-ng-mod-sql syslog-ng-mod-mongodb syslog-ng-mod-json syslog-ng-mod-smtp syslog-ng-mod-amqp syslog-ng-mod-geoip syslog-ng-mod-redis syslog-ng-mod-stomp syslog-ng-mod-riemann syslog-ng-mod-graphite syslog-ng-mod-python
  syslog-ng-mod-java syslog-ng-mod-java-common-lib syslog-ng-mod-elastic syslog-ng-mod-hdfs syslog-ng-mod-kafka syslog-ng-mod-http syslog-ng-mod-curl syslog-ng-mod-kvformat syslog-ng-mod-add-contextual-data
The following NEW packages will be installed:
  syslog-ng-core
0 upgraded, 1 newly installed, 0 to remove and 5 not upgraded.
Need to get 0 B/408 kB of archives.
After this operation, 1,839 kB of additional disk space will be used.
Selecting previously unselected package syslog-ng-core.
(Reading database ... 107008 files and directories currently installed.)
Preparing to unpack .../syslog-ng-core_3.9.1-1_amd64.deb ...
Unpacking syslog-ng-core (3.9.1-1) ...
Processing triggers for systemd (229-4ubuntu16) ...
Processing triggers for ureadahead (0.100.0-19) ...
Setting up syslog-ng-core (3.9.1-1) ...
Processing triggers for systemd (229-4ubuntu16) ...
Processing triggers for ureadahead (0.100.0-19) …
Success...
root at syslog:~# apt-get install syslog-ng-mod-sql
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 syslog-ng-mod-sql : Depends: syslog-ng-abi-3.9-0 but it is not installable
E: Unable to correct problems, you have held broken packages.
root at syslog:~# 

Any ideas?

Regards

Simon