Template is missing

Missing template layouts/index with {:locale=>[:en, :de], :formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :coffee, :jbuilder, :axlsx]}. Searched in: * "/var/www/clients/client1/web1/web/www/app/views" * "/usr/local/lib/ruby/gems/2.3.0/gems/cookies_eu-1.6.2/app/views" * "/usr/local/lib/ruby/gems/2.3.0/gems/kaminari-0.16.3/app/views" * "/usr/local/lib/ruby/gems/2.3.0/bundler/gems/smart_listing-79adebaeba83/app/views" * "/usr/local/lib/ruby/gems/2.3.0/gems/wash_out-0.12.0/app/views"

Extracted source (around line #45):
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44
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48
              
Rails.logger.info "====================#{caller.inspect}"
# render :file => "public/#{status}.html", :status => status, :layout => true
render :file => "public/404.html", :status => status, :layout => true
end
# generate captcha image

Rails.root: /var/www/clients/client1/web1/web/www

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"format"=>"html",
 "locale"=>"en",
 "slug"=>"mediathek"}

Response

Headers:

None