sudo apt-get install qcad-doc FAILED

Binary package hint: qcad-doc

Hi there,
You can follow what happened when I tied to install qcad-doc on Ubuntu 8.04

zborsos@matrix:~$ sudo apt-get install qcad-doc
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  qt3-assistant qt3-doc
Suggested packages:
  libqt3-headers
The following NEW packages will be installed:
  qcad-doc qt3-assistant qt3-doc
0 upgraded, 3 newly installed, 0 to remove and 6 not upgraded.
Need to get 7425kB of archives.
After this operation, 31.0MB of additional disk space will be used.
Do you want to continue [Y/n]?
Get:1 http://hu.archive.ubuntu.com hardy/main qt3-doc 3:3.3.8-b-0ubuntu3 [5393kB]
Get:2 http://hu.archive.ubuntu.com hardy/main qt3-assistant 3:3.3.8-b-0ubuntu3 [244kB]
Get:3 http://hu.archive.ubuntu.com hardy/main qcad-doc 2.0.5.0-1-2ubuntu1 [1787kB]
Fetched 7425kB in 6s (1171kB/s)
debconf: Perl may be unconfigured (Can't locate Debconf/Log.pm in @INC (@INC contains: /opt/ActivePerl-5.10/site/lib /opt/ActivePerl-5.10/lib .) at (eval 1) line 4.
BEGIN failed--compilation aborted at (eval 1) line 4.
) -- aborting
Selecting previously deselected package qt3-doc.
(Reading database ... 102207 files and directories currently installed.)
Unpacking qt3-doc (from .../qt3-doc_3%3a3.3.8-b-0ubuntu3_all.deb) ...
Selecting previously deselected package qt3-assistant.
Unpacking qt3-assistant (from .../qt3-assistant_3%3a3.3.8-b-0ubuntu3_i386.deb) ...
Selecting previously deselected package qcad-doc.
Unpacking qcad-doc (from .../qcad-doc_2.0.5.0-1-2ubuntu1_all.deb) ...
Setting up qt3-doc (3:3.3.8-b-0ubuntu3) ...
Can't locate Debian/DocBase/Common.pm in @INC (@INC contains: /opt/ActivePerl-5.10/site/lib /opt/ActivePerl-5.10/lib .) at /usr/sbin/install-docs line 20.
Global symbol "$opt_rootdir" requires explicit package name at /usr/sbin/install-docs line 136.
Execution of /usr/sbin/install-docs aborted due to compilation errors.
dpkg: error processing qt3-doc (--configure):
 subprocess post-installation script returned error exit status 9
dpkg: dependency problems prevent configuration of qt3-assistant:
 qt3-assistant depends on qt3-doc; however:
  Package qt3-doc is not configured yet.
dpkg: error processing qt3-assistant (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of qcad-doc:
 qcad-doc depends on qt3-assistant; however:
  Package qt3-assistant is not configured yet.
dpkg: error processing qcad-doc (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 qt3-doc
 qt3-assistant
 qcad-doc

ProblemType: Package
Architecture: i386
Date: Mon Jun 9 22:43:19 2008
DistroRelease: Ubuntu 8.04
ErrorMessage: dependency problems - leaving unconfigured
NonfreeKernelModules: ath_hal
Package: qcad-doc 2.0.5.0-1-2ubuntu1
PackageArchitecture: all
SourcePackage: qcad
Title: package qcad-doc 2.0.5.0-1-2ubuntu1 failed to install/upgrade: dependency problems - leaving unconfigured
Uname: Linux 2.6.24-16-generic i686