Error: Unsupported target! (platform='linux', version='18'). Try one of the following: {}

Failed to install the clang++-18

Failed to add apt key via server keyserver.ubuntu.com: Error: Command failed with exit code 2: sudo 'gpg' '--no-default-keyring' '--keyring' 'gnupg-ring:/etc/apt/trusted.gpg.d/setup-cpp-ubuntu-archive.gpg' '--keyserver' 'keyserver.ubuntu.com' '--recv-keys' '40976EAF437D05B5'

Falling back to LLVM version 17.0.6 -ubuntu-22.04 for the Ubuntu.

Falling back to LLVM version 17.0.6 -ubuntu-22.04 for the Ubuntu.