не поддерживает архитектуру 'arm64, не поддерживает архитектуру 'armhf'

Когда я пытаюсь обновить, у меня есть эта проблема:

$ sudo apt-get update
Hit:2 http://ports.ubuntu.com xenial InRelease
Hit:3 http://ports.ubuntu.com xenial-security InRelease                                                         
Ign:1 http://packages.erlang-solutions.com/debian xenial InRelease      
Hit:4 http://ports.ubuntu.com xenial-updates InRelease
Hit:6 http://ports.ubuntu.com xenial-backports InRelease                
Hit:5 http://packages.erlang-solutions.com/debian xenial Release
Reading package lists... Done                     
N: Skipping acquire of configured file 'contrib/binary-arm64/Packages' as repository 'http://binaries.erlang-solutions.com/debian xenial InRelease' doesn't support architecture 'arm64'
N: Skipping acquire of configured file 'contrib/binary-armhf/Packages' as repository 'http://binaries.erlang-solutions.com/debian xenial InRelease' doesn't support architecture 'armhf'

Вывод lscpu:

ubuntu@ubuntu:~$ lscpu
Architecture:          aarch64
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    1
Core(s) per socket:    1
Socket(s):             4
CPU max MHz:           1512.0000
CPU min MHz:           100.0000
Hypervisor vendor:     (null)
Virtualization type:   full