Troubleshoot unable to run sudo command "error = must be set uid root "

Run below command to resolve "must be set uid root " error .

  

#chown root:root /usr/bin/sudo
#chmod 4755 /usr/bin/sudo
#chmod 0440 /etc/sudoers
#chmod 0440 /etc/sudoers.d/README

#chmod 0775 /etc/sudoers.d/

reboot system and check