apache: Bad Server Response at login page

[whoim]

centos 6.5 i386, httpd 2.2.15, mysql 5.1.73, php 5.5.18.
24 hours older im install EspoCRM (last version), all work normally. Now im added Admins -> Fileds -> User -> custom text field and now not may login to system.
Bad server response. Help?

[whoim]

see this debug (in attach)

[whoim]

reinstall now, worked..