My command and errors:
root@berbidserver:~# sudo apt-get install libxml-parser-perl libpath-class-perl perl-modules screen rsync sudo e2fsprogs unzip subversion pure-ftpd libarchive-zip-perl libc6 libgcc1 git curl Reading package lists... Done Building dependency tree Reading state information... Done Package libpath-class-perl is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'libpath-class-perl' has no installation candidate E: Unable to locate package pure-ftpd
sudo apt-get update and
sudo apt-get upgrade to fix this issue but it didn't work out.