Apache (httpd) remove with yum via ssh

[LiXuS]

hi everyone,
I use cwp on Centos 6.8
i deleted a user from accounts.
i restart the apache...
apache not work.
I recive bad username from httpd.
I use ssh login and with yum i remove httpd and reinstal it.
since, all my domains from server .. not work,
All my domains display the default apache page, not apache powered by cwp.
How to solve ?

[robbyq]

logs apache?

[LiXuS]

I upgrade the apache..then..
Stopping httpd: [FAILED]
Starting httpd: httpd: bad user name demouser
[FAILED]
How to fix ?

[Administrator]

cwp is not using default package of apache so you need to remove it and then in cwp.admin rebuild apache webserver