loader returen array and throws error: undefined method `where' for #<Array:0x000000086f88c8> about switch_user HOT 14 CLOSED

config.available_users = { :user => lambda { User.all } }

ActionView::Template::Error (wrong number of arguments (0 for 1..2)):
    13:       <ul class="right">
    14:         <% if current_user.role?(:superadmin) && Rails.env.development? %>
    15:           <li class="has-dropdown">
    16:             <%= switch_user_select %>
    17:           </li>
    18:         <% end %>
    19:         <% if current_user.role?(:admin) || current_user.role?(:superadmin) || current_user.role?(:statistiek) %>
  config/initializers/switch_user.rb:8:in `block (2 levels) in <top (required)>'
  app/views/inline_forms/_header.html.erb:16:in `_app_views_inline_forms__header_html_erb___2810128481613404564_53618560'
  app/controllers/clients_controller.rb:41:in `index'

Completed 500 Internal Server Error in 118.5ms

ActionView::Template::Error (undefined method `map' for #<Class:0x00000007365040>):
    13:       <ul class="right">
    14:         <% if current_user.role?(:superadmin) && Rails.env.development? %>
    15:           <li class="has-dropdown">
    16:             <%= switch_user_select %>
    17:           </li>
    18:         <% end %>
    19:         <% if current_user.role?(:admin) || current_user.role?(:superadmin) || current_user.role?(:statistiek) %>
  app/views/inline_forms/_header.html.erb:16:in `_app_views_inline_forms__header_html_erb___97426261078959190_79135600'
  app/controllers/clients_controller.rb:41:in `index'

if Rails.version.to_i >= 4
  config.available_users = { :user => lambda { User.all } }
else
  config.available_users = { :user => lambda { User.scoped } }
end

config.available_users = { :user => lambda { User } }

undefined method `map' for #<Class:0x000000062390a0>

config.available_users = { :user => lambda { User.scoped } }

comparison of Array with Array failed

comparison of Array with Array failed

grouped_options = grouped_options.sort if grouped_options.is_a?(Hash)

{:Guest=>[["Guest", nil]], "User"=>[["[email protected]", "user_1"],["[email protected]", "user_2"]]}

config.helper_with_guest = false