Installing PHP verstion 8.3 ends with error repository has no longer release file.

Reading package lists...
Building dependency tree...
Reading state information...
software-properties-common is already the newest version (0.99.9.12).
The following packages were automatically installed and are no longer required:
  php8.1-redis php8.2-redis
Use 'apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 96 not upgraded.
Hit:1 http://mirror.hetzner.de/ubuntu/packages focal InRelease
Hit:2 http://mirror.hetzner.de/ubuntu/packages focal-updates InRelease
Hit:3 http://mirror.hetzner.de/ubuntu/packages focal-backports InRelease
Hit:4 https://mirror.hetzner.com/ubuntu/packages focal InRelease
Hit:5 http://mirror.hetzner.de/ubuntu/packages focal-security InRelease
Get:6 https://deb.nodesource.com/node_16.x focal InRelease [4583 B]
Hit:7 https://mirror.hetzner.com/ubuntu/packages focal-updates InRelease
Hit:8 https://mirror.hetzner.com/ubuntu/packages focal-backports InRelease
Hit:9 http://archive.ubuntu.com/ubuntu focal InRelease
Hit:10 https://mirror.hetzner.com/ubuntu/security focal-security InRelease
Hit:11 http://ppa.launchpad.net/ondrej/php/ubuntu focal InRelease
Hit:13 https://packages.amplify.nginx.com/py3//ubuntu focal InRelease
Ign:12 http://mariadb.mirror.liquidtelecom.com/repo/10.3/ubuntu bionic InRelease
Err:14 http://mariadb.mirror.liquidtelecom.com/repo/10.3/ubuntu bionic Release
  404  Not Found [IP: 2c0f:fe40:8001:10::1 80]
Reading package lists...
E: The repository 'http://mirror.zol.co.zw/mariadb/repo/10.3/ubuntu bionic Release' no longer has a Release file.