Install libpam-gnome-keyring by entering the following commands in the terminal:
sudo apt update sudo apt install libpam-gnome-keyring
PAM module to unlock the GNOME keyring upon login
gnome-keyring is a daemon in the session, similar to ssh-agent, and other applications can use it to store passwords and other sensitive information. . This package contains a PAM module that will automatically unlock the keyrings using your login password, making gnome-keyring usage transparent without losing its security benefits. . When installed, this module will automatically be used by GDM and gnome-screensaver to unlock your keyrings when logging in and when unlocking the screen saver.