Wrong `render 'index'`, should be `render 'show'` in `Projects::PipelinesSettingsController#update`
https://sentry.gitlap.com/gitlab/gitlabcom/issues/15251/
ActionView::MissingTemplate: Missing template projects/pipelines_settings/index, projects/application/index, application/index with {:locale=>[:en], :formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :coffee, :haml]}. Searched in:
* "/opt/gitlab/embedded/service/gitlab-rails/app/views"
* "/opt/gitlab/embedded/service/gem/ruby/2.3.0/gems/kaminari-0.17.0/app/views"
* "/opt/gitlab/embedded/service/gem/ruby/2.3.0/gems/doorkeeper-4.2.0/app/views"
* "/opt/gitlab/embedded/service/gem/ruby/2.3.0/gems/devise-4.2.0/app/views"
app/controllers/projects/pipelines_settings_controller.rb:20:in `update'
render 'index'
lib/gitlab/request_profiler/middleware.rb:15:in `call'
@app.call(env)
lib/gitlab/middleware/rails_queue_duration.rb:20:in `call'
@app.call(env)
lib/gitlab/metrics/rack_middleware.rb:29:in `block in call'
retval = trans.run { @app.call(env) }
lib/gitlab/metrics/transaction.rb:49:in `run'
yield
...
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