package otrs2 3.1.7+dfsg1-5 failed to install/upgrade: subproces installed post-installation script gaf een foutwaarde 255 terug

`sudo apt-get remove otrs` and `sudo apt-get purge otrs` results in the same error.

I `fixed`? the error by removing otrs2? like so `sudo apt-get remove otrs2` and runned a few commands to fix my packaging.

 sudo apt-get -y autoremove
 sudo apt-get -y clean
 sudo apt-get -y autoclean
 sudo apt-get -y check
 sudo dpkg --configure -a
 sudo apt-get install -f

After removing otrs i just noticed that my apache2 wont start this was also the result of otrs, it did not deleted some files which i had to remove manually, like so:

sudo rm /etc/apache2/sites-available/otrs.conf
sudo rm /etc/apache2/sites-enabled/otrs.conf
sudo rm /home/blade/.cache/software-center/piston-helper/rec.ubuntu.com,api,1.0,recommend_app,otrs,,81384ef50f6b1038436de465afd51202
sudo rm /home/blade/.cache/software-center/rnrclient/reviews.ubuntu.com,reviews,api,1.0,reviews,filter,nl,any,any,any,otrs,page,1,helpful,,251358f9bbc99053ed71c6082e485827
sudo rm /home/blade/.cache/software-center/rnrclient/reviews.ubuntu.com,reviews,api,1.0,reviews,filter,nl,ubuntu,quantal,any,otrs,page,1,helpful,,7af23859b6e91926d3623a0d118dbf90

sudo rm /var/cache/apt/archives/otrs2_3.1.7+dfsg1-5_all.deb
sudo rm /var/cache/apt/archives/otrs_3.1.7+dfsg1-5_all.deb
sudo rm /var/crash/otrs2.0.crash
sudo rm /var/crash/otrs2.0.upload
sudo rm /var/crash/otrs2.0.uploaded

 and then again fixing packaging.
 sudo apt-get -y autoremove
 sudo apt-get -y clean
 sudo apt-get -y autoclean
 sudo apt-get -y check
 sudo dpkg --configure -a
 sudo apt-get install -f