I am running a Ubuntu 16.04.7 LTS EC2 Instance on AWS and I am having issues upgrading it.
I have tried:
sudo apt update sudo apt upgrade sudo reboot
And there are no issues until I try:
sudo do-release-upgrade
And I get this error:
Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/bionic", line 8, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeMain.py", line 238, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 2072, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1981, in fullUpgrade
    if not self.askDistUpgrade():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1153, in askDistUpgrade
    changes = self.calcDistUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1120, in calcDistUpgrade
    if not self.cache.installTasks(self.tasks):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeCache.py", line 856, in installTasks
    pkg.mark_install()
  File "/usr/lib/python3/dist-packages/apt/package.py", line 1356, in mark_install
    fixer.resolve(True)
SystemError: E:Unable to correct problems, you have held broken packages.
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/problem_report.py", line 497, in add_to_existing
    self.write(f)
  File "/usr/lib/python3/dist-packages/problem_report.py", line 450, in write
    block = f.read(1048576)
  File "/usr/lib/python3.5/codecs.py", line 321, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8b in position 1: invalid start byte

Original exception was:
Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/bionic", line 8, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeMain.py", line 238, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 2072, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1981, in fullUpgrade
    if not self.askDistUpgrade():
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1153, in askDistUpgrade
    changes = self.calcDistUpgrade()
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeController.py", line 1120, in calcDistUpgrade
    if not self.cache.installTasks(self.tasks):
  File "/tmp/ubuntu-release-upgrader-_29ga8ky/DistUpgrade/DistUpgradeCache.py", line 856, in installTasks
    pkg.mark_install()
  File "/usr/lib/python3/dist-packages/apt/package.py", line 1356, in mark_install
    fixer.resolve(True)
SystemError: E:Unable to correct problems, you have held broken packages.
=== Command terminated with exit status 1 (Thu Oct 22 03:03:11 2020) ===