No 'puppet class parameters in hostgroup edit page after upgrade to foreman 3.0

Problem:
No 'puppet class parameters in hostgroup edit page after upgrade to foreman 3.0
Expected outcome:
Like Foreman 2.x

Foreman and Proxy versions:
foreman-3.0.2-1.el7.noarch
foreman-proxy-3.0.2-1.el7.noarch
Foreman and Proxy plugin versions:

Distribution and version:

Other relevant data: