SOLVED by the easiest way (Disabling cups apparmor profile)
Run these commands ...
mkdir $HOME/PDF mkdir $HOME/PDF sudo mv /etc/apparmor.d/usr.sbin.cupsd /etc/apparmor.d/disable/. sudo /etc/init.d/apparmor restart
SOLVED by the easiest way (Disabling cups apparmor profile)
Run these commands ...
mkdir $HOME/PDF d/usr.sbin. cupsd /etc/apparmor. d/disable/ . d/apparmor restart
mkdir $HOME/PDF
sudo mv /etc/apparmor.
sudo /etc/init.