PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
PAM unable to dlopen(pam_kwallet5.so): /lib/security/pam_kwallet5.so: cannot open shared object file: No such file or directory
1.Edit the /etc/pam.d/lightdm and /etc/pam.d/lightdm-greeter configuration files
Comment out (delete) all of the following lines in each file with #
auth    optional        pam_kwallet.so
auth    optional        pam_kwallet5.so
session optional        pam_kwallet.so auto_start
session optional        pam_kwallet5.so auto_start
2. reboot both can be  systemctl restart lightdm