No GUI for file encryption 7zip

No graphical menu to encrypt 7zip files in Ubuntu 18.04. In previous versions of Ubuntu the menu was.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: p7zip 16.02+dfsg-6
ProcVersionSignature: Ubuntu 4.15.0-45.48-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Feb 16 08:59:41 2019
Dependencies:
 gcc-8-base 8.2.0-1ubuntu2~18.04
 libc6 2.27-3ubuntu1
 libgcc1 1:8.2.0-1ubuntu2~18.04
 libstdc++6 8.2.0-1ubuntu2~18.04
InstallationDate: Installed on 2018-05-06 (285 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ru_RU.UTF-8
 SHELL=/bin/bash
SourcePackage: p7zip
UpgradeStatus: No upgrade log present (probably fresh install)