The post installation script does not execute - please advise?

Executing final installation script
Error executing post installation script
/opt/ejabberd-13.12/bin/postinstall.sh
\/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
/opt/ejabberd-13.12/bin/beam: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
Creating Uninstaller