sshd centos not starting?

Question

SSH

I write: systemctl start sshd
Error: failed to start service sshd unit is masked
If you type - systemctl status sshd It will
display -
service sshd
Loaded: masked (/usr/lib/systemd/system/sshd.service; masked; vendor preset: enabled)
Active : inactive (dead) Can not
add dependency job for unit sshd.service, ignoring: unit is masked Tried reinstalling ssh on the server, didn't help.