DEPRECATION WARNING: ActionView::Template::Handlers::Erubis is deprecated and will be removed from Rails 5.2. Switch to ActionView::Template::Handlers::ERB::Erubi instead.
From Gemfile.lock
better_errors (2.1.1)coderay (>= 1.0.0)erubis (>= 2.6.6)rack (>= 0.9.0)
Deprecation warning due to Rails 5.1
DEPRECATION WARNING: ActionView::Template::Handlers::Erubis is deprecated and will be removed from Rails 5.2. Switch to ActionView::Template::Handlers::ERB::Erubi instead.
From Gemfile.lock
better_errors (2.1.1)
coderay (>= 1.0.0)
erubis (>= 2.6.6)
rack (>= 0.9.0)