RailsMultisite::ConnectionManagement.each_connection do
  SiteSetting.refresh!
end

RailsMultisite::ConnectionManagement.each_connection do
  begin
    SiteSetting.refresh!
  rescue ActiveRecord::StatementInvalid
    # This will happen when migrating a new database
  end
end

Fix error during db:migrate on a new database
Fix error during db:migrate on a new database
