3 files changed, 9 insertions, 3 deletions
diff --git a/app/controllers/admin/dashboard_controller.rb b/app/controllers/admin/dashboard_controller.rb
index 4116f99f4..e87dd076f 100644
--- a/app/controllers/admin/dashboard_controller.rb
+++ b/app/controllers/admin/dashboard_controller.rb
@@ -3,7 +3,13 @@ require 'sidekiq/api'
 
 module Admin
   class DashboardController < BaseController
+    SIDEKIQ_QUEUES = %w(default push mailers pull scheduler).freeze
+
     def index
+      missing_queues = Sidekiq::ProcessSet.new.reduce(SIDEKIQ_QUEUES) { |queues, process| queues - process['queues'] }
+
+      flash.now[:alert] = I18n.t('admin.dashboard.misconfigured_sidekiq_alert', queues: missing_queues.join(', ')) unless missing_queues.empty?
+
       @users_count           = User.count
       @pending_users_count   = User.pending.count
       @registrations_week    = Redis.current.get("activity:accounts:local:#{current_week}") || 0
diff --git a/app/controllers/admin/domain_blocks_controller.rb b/app/controllers/admin/domain_blocks_controller.rb
index ba927b04a..b140c454c 100644
--- a/app/controllers/admin/domain_blocks_controller.rb
+++ b/app/controllers/admin/domain_blocks_controller.rb
@@ -22,7 +22,7 @@ module Admin
       if existing_domain_block.present? && !@domain_block.stricter_than?(existing_domain_block)
         @domain_block.save
         flash.now[:alert] = I18n.t('admin.domain_blocks.existing_domain_block_html', name: existing_domain_block.domain, unblock_url: admin_domain_block_path(existing_domain_block)).html_safe # rubocop:disable Rails/OutputSafety
-        @domain_block.errors[:domain].clear
+        @domain_block.errors.delete(:domain)
         render :new
       else
         if existing_domain_block.present?
diff --git a/app/controllers/admin/tags_controller.rb b/app/controllers/admin/tags_controller.rb
index 59df4470e..eed4feea2 100644
--- a/app/controllers/admin/tags_controller.rb
+++ b/app/controllers/admin/tags_controller.rb
@@ -59,8 +59,8 @@ module Admin
                              .where(Status.arel_table[:id].gteq(Mastodon::Snowflake.id_at(Time.now.utc.beginning_of_day)))
                              .joins(:account)
                              .group('accounts.domain')
-                             .reorder('statuses_count desc')
-                             .pluck('accounts.domain, count(*) AS statuses_count')
+                             .reorder(statuses_count: :desc)
+                             .pluck(Arel.sql('accounts.domain, count(*) AS statuses_count'))
     end
 
     def set_counters