Issues with plugin redmine_crm

[Ying666]

When we install your plugin in addition to redmine_crm ( https://www.redminecrm.com/projects/crm/pages/1 ) we get the following error:

Log:

ActionView::Template::Error (undefined method each' for #<RedmineCrm::Tag id: 35, name: "diomex">): 13: <% project_tree(@projects) do |project, level| %> 14: <tr class="<%= cycle("odd", "even") %> <%= project.css_classes %> <%= level > 0 ? "idnt idnt-#{level}" : nil %>"> 15: <td><%= favorite_tag(project, User.current) %></td> 16: <% @query.columns.each do |column| %><%= content_tag 'td', column_content(column, project), :class => column.css_classes %><% end %> 17: </tr> 18: <% end %> 19: </tbody> plugins/redmine_favorite_projects/lib/redmine_favorite_projects/patches/queries_helper_patch.rb:40:incolumn_value_with_favorite_projects'
plugins/redmine_products/lib/redmine_products/patches/queries_helper_patch.rb:58:in column_value_with_products' plugins/redmine_multiprojects_issue/lib/redmine_multiprojects_issue/queries_helper_patch.rb:12:inblock in column_content_with_multiprojects_issues'
plugins/redmine_multiprojects_issue/lib/redmine_multiprojects_issue/queries_helper_patch.rb:12:in collect' plugins/redmine_multiprojects_issue/lib/redmine_multiprojects_issue/queries_helper_patch.rb:12:incolumn_content_with_multiprojects_issues'
plugins/redmine_favorite_projects/app/views/projects/_list.html.erb:16:in block (2 levels) in _1a4882b24976a664b866948292a0087c' plugins/redmine_favorite_projects/app/views/projects/_list.html.erb:16:ineach'
plugins/redmine_favorite_projects/app/views/projects/_list.html.erb:16:in block in _1a4882b24976a664b866948292a0087c' app/models/project.rb:796:inblock in project_tree'
app/models/project.rb:792:in each' app/models/project.rb:792:inproject_tree'
app/helpers/application_helper.rb:384:in project_tree' plugins/redmine_favorite_projects/app/views/projects/_list.html.erb:13:in_1a4882b24976a664b866948292a0087c'
plugins/redmine_favorite_projects/app/views/projects/index.html.erb:88:in _93388134edba0921a63dd91ad883e79d' plugins/redmine_favorite_projects/app/controllers/favorite_projects_controller.rb:44:inblock (2 levels) in search'
plugins/redmine_favorite_projects/app/controllers/favorite_projects_controller.rb:39:in search' lib/redmine/sudo_mode.rb:63:insudo_mode'

Information about our redmine:

Environment:
Redmine version 3.3.0.stable.15582
Ruby version 2.3.1-p112 (2016-04-26) [x86_64-linux-gnu]
Rails version 4.2.6
Environment production
Database adapter Mysql2
SCM:
Subversion 1.9.3
Git 2.7.4
Filesystem
Redmine plugins:
clipboard_image_paste 1.10
issue_hot_buttons 0.4.4
progressive_projects_list 3.0.1
redmine_auto_percent 0.0.1
redmine_banner 0.1.2
redmine_base_deface 0.0.1
redmine_changeauthor 1.0.1
redmine_checklists 3.1.5
redmine_contacts 4.0.4
redmine_contacts_helpdesk 3.0.4
redmine_favorite_projects 2.0.2
redmine_improved_searchbox 0.0.3
redmine_issue_templates 0.1.3
redmine_lightbox2 0.3.1
redmine_local_avatars 1.0.0
redmine_multiprojects_issue 3.3.0
redmine_my_page_queries 2.1.6
redmine_products 2.0.1
redmine_questions 0.0.7
redmine_recenthistory 0.0.2
redmine_silencer 0.4.1-burg
redmine_wiki_extensions 0.7.0
sidebar_hide 0.0.7
wiking 1.0.0b