AppCenter Error

Hit:1 http://download.mono-project.com/repo/debian wheezy InRelease
Ign:2 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:3 http://dl.google.com/linux/chrome/deb stable Release
Hit:5 http://packages.elementary.io/appcenter bionic InRelease
Get:6 http://repo.radeon.com/rocm/apt/debian xenial InRelease [1.816 B]
Hit:7 http://id.archive.ubuntu.com/ubuntu bionic InRelease
Get:8 http://security.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]
Hit:9 http://ppa.launchpad.net/alexlarsson/flatpak/ubuntu bionic InRelease
Hit:10 http://repository.spotify.com stable InRelease
Get:11 http://id.archive.ubuntu.com/ubuntu bionic-updates InRelease [88,7 kB]
Hit:12 http://ppa.launchpad.net/elementary-os/stable/ubuntu bionic InRelease
Hit:13 http://ppa.launchpad.net/olive-editor/olive-editor/ubuntu bionic InRelease
Hit:14 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu bionic InRelease
Get:15 http://id.archive.ubuntu.com/ubuntu bionic-backports InRelease [74,6 kB]
Hit:16 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu bionic InRelease
Hit:17 http://ppa.launchpad.net/philip.scott/elementary-tweaks/ubuntu bionic InRelease
Hit:18 http://ppa.launchpad.net/ricotz/docky/ubuntu bionic InRelease
Fetched 254 kB in 4s (65,6 kB/s)
Traceback (most recent call last):
  File "/usr/lib/cnf-update-db", line 8, in <module>
    from CommandNotFound.db.creator import DbCreator
  File "/usr/lib/CommandNotFound/db/creator.py", line 11, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in apport_excepthook
    from apport.fileutils import likely_packaged, get_recent_crashes
  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>
    from apport.report import Report
  File "/usr/lib/python3/dist-packages/apport/report.py", line 30, in <module>
    import apport.fileutils
  File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 23, in <module>
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python3/dist-packages/apport/packaging_impl.py", line 24, in <module>
    import apt
  File "/usr/lib/python3/dist-packages/apt/__init__.py", line 23, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'

Original exception was:
Traceback (most recent call last):
  File "/usr/lib/cnf-update-db", line 8, in <module>
    from CommandNotFound.db.creator import DbCreator
  File "/usr/lib/CommandNotFound/db/creator.py", line 11, in <module>
    import apt_pkg
ModuleNotFoundError: No module named 'apt_pkg'
Reading package lists... Done
E: Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/lib/command-not-found/ -a -e /usr/lib/cnf-update-db; then /usr/lib/cnf-update-db > /dev/null; fi'
E: Sub-process returned an error code