skypeforlinux error

skypefor linux 8.109.0.209

When use apt update

changed part of IP to xxxx

Code:Get:16 http://security.ubuntu.com/ubuntu jammy-security/universe i386 Packages [605 kB]
Get:17 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [854 kB]
Ign:18 https://repo.skype.com/deb stable InRelease
Ign:18 https://repo.skype.com/deb stable InRelease
Ign:18 https://repo.skype.com/deb stable InRelease
Err:18 https://repo.skype.com/deb stable InRelease
504 Gateway Time-out [IP: 2001:8006:xxxx:xxxx::xxxx xxxx
Fetched 8,388 kB in 1min 48s (77.9 kB/s)
Reading package lists... Done

Viewed:
https://www.linuxquestions.org/quest...pe-4175731604/

and

https://www.linuxquestions.org/quest...le-4175727682/

how to fix on ubuntu ?

.