IPC connect call failed code example

Example: gpg: can't connect to the agent: IPC connect call failed

sudo add-apt-repository ppa:rafaeldtinoco/lp1871129
sudo apt update
sudo apt install libc6=2.31-0ubuntu8+lp1871129~1 libc6-dev=2.31-0ubuntu8+lp1871129~1 libc-dev-bin=2.31-0ubuntu8+lp1871129~1 -y --allow-downgrades
sudo apt-mark hold libc6