package fwknop-server 1.9.12-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Setting up libnetwork-ipv4addr-perl (0.10.ds-1) ...
Setting up libiptables-parse-perl (0.7-1) ...
Setting up libiptables-chainmgr-perl (0.9-1) ...
Setting up fwknop-server (1.9.12-1) ...
awk: $1 == "KEY:" { gsub("__CHANGEME__;","2gu2s
awk: ^ unterminated string
dpkg: error processing fwknop-server (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up libalgorithm-c3-perl (0.08-1) ...
Setting up libsub-uplevel-perl (0.2200-1) ...
Setting up libtest-exception-perl (0.29-1) ...

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: fwknop-server 1.9.12-1
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic-pae 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic-pae i686
NonfreeKernelModules: fglrx
Architecture: i386
Date: Sat May 29 22:53:40 2010
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: fwknop
Title: package fwknop-server 1.9.12-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1