PostgreSQL primary node using Omnibus fails. repmgrd: file does not exist

Falling to install PostgreSQL for HA GitLab cluster

USED this config https://docs.gitlab.com/ee/administration/reference_architectures/3k_users.html#postgresql-primary-node

gitlab-ctl reconfigure is successful.

gitlab-ctl tail gives this errors:

/opt/gitlab/embedded/bin/repmgrd: file does not exist

could not access file "repmgr_funcs": No such file or directory

gitlab-ctl status

down: postgresql: 1s, normally up, want up; run: log: (pid 23198) 1767s

down: repmgrd: 1s, normally up, want up; run: log: (pid 23277) 1753s