Err:19 http://security.ubuntu.com/ubuntu focal-security/restricted i386 Packages
  Hash Sum mismatch
  Hashes of expected file:
   - Filesize:106950 [weak]
   - SHA256:8aa89e4b5a500ba92bae1eed3473bef73d5c6040d8b4e66603d8f1f6755d798c
   - SHA1:dbb26081596441ef912e43b01ace354b91361016 [weak]
   - MD5Sum:a8f57896c5da85d48f2973bdc25334c7 [weak]
  Hashes of received file:
   - SHA256:219088b16bcf86e0e35ecfd62c6830748bf968b0ab978078ab6896c51d9aafac
   - SHA1:184cd39689c7f641da4969f5db1772d25b8dfe18 [weak]
   - MD5Sum:f060ea5ef3914261661003339123098d [weak]
   - Filesize:106950 [weak]
  Release file created at: Wed, 25 Aug 2021 15:49:31 +0000
Err:20 http://security.ubuntu.com/ubuntu focal-security/restricted amd64 c-n-f Metadata

Fetched 143 kB in 1s (240 kB/s)
WARNING:root:cannot read /var/lib/command-not-found/commands.db.metadata: 'utf-8' codec can't decode byte 0xf3 in position 1: invalid continuation byte
Traceback (most recent call last):
  File "/usr/lib/cnf-update-db", line 26, in <module>
    col.create(db)
  File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 94, in create
    self._fill_commands(con)
  File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 138, in _fill_commands
    self._parse_single_commands_file(con, fp)
  File "/usr/lib/python3/dist-packages/CommandNotFound/db/creator.py", line 176, in _parse_single_commands_file
    suite=tagf.section["suite"]
KeyError: 'suite'
Reading package lists... Error!
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_focal-security_restricted_binary-i386_Packages  Hash Sum mismatch
   Hashes of expected file:
    - Filesize:106950 [weak]
    - SHA256:8aa89e4b5a500ba92bae1eed3473bef73d5c6040d8b4e66603d8f1f6755d798c
    - SHA1:dbb26081596441ef912e43b01ace354b91361016 [weak]
    - MD5Sum:a8f57896c5da85d48f2973bdc25334c7 [weak]
   Hashes of received file:
    - SHA256:219088b16bcf86e0e35ecfd62c6830748bf968b0ab978078ab6896c51d9aafac
    - SHA1:184cd39689c7f641da4969f5db1772d25b8dfe18 [weak]
    - MD5Sum:f060ea5ef3914261661003339123098d [weak]
    - Filesize:106950 [weak]
   Release file created at: Wed, 25 Aug 2021 15:49:31 +0000
E: Failed to fetch store:/var/lib/apt/lists/partial/security.ubuntu.com_ubuntu_dists_focal-security_restricted_cnf_Commands-amd64
E: Some index files failed to download. They have been ignored, or old ones used instead.
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
E: Unable to parse package file /var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_focal-security_InRelease (1)
E: The package lists or status file could not be parsed or opened.