Resolved - Sudo: unable to initialize policy plugin

osmc@osmc:~$ sudo reboot now

/etc/sudoers.d/README: syntax error near line 2 <<<
/etc/sudoers.d/README: syntax error near line 4 <<<
/etc/sudoers.d/README: syntax error near line 7 <<<
/etc/sudoers.d/osmc-disable-rbp-update: syntax error near line 1 <<<
sudo: parse error in /etc/sudoers.d/README near line 2
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin

Before that I runned “sudo su” to change a service file in systemd
I only tried to reboot!
Any help?

UPDATE: kernel problem while booting. now running ok.