Error with TanukiEmoji

ActionView::Template::Error (uninitialized constant TanukiEmoji::Index::Db
Did you mean? TanukiEmoji::Db):
24: = menu_item.fetch(:title)
25: - if menu_item.fetch(:emoji)
26: -# We need to insert a space between the title and emoji
27: = " #{emoji_icon(menu_item.fetch(:emoji), ‘aria-hidden’: true, class: ‘gl-font-base gl-vertical-align-baseline’)}".html_safe

app/helpers/emoji_helper.rb:5:in emoji_icon' app/views/layouts/header/_new_dropdown.html.haml:27 app/views/layouts/header/_new_dropdown.html.haml:23 app/views/layouts/header/_new_dropdown.html.haml:21:in each’
app/views/layouts/header/_new_dropdown.html.haml:21
app/views/layouts/header/_new_dropdown.html.haml:15:in each' app/views/layouts/header/_new_dropdown.html.haml:15:in each_with_index’
app/views/layouts/header/_new_dropdown.html.haml:15
app/views/layouts/header/_default.html.haml:45
app/views/layouts/application.html.haml:21
app/views/layouts/project.html.haml:24
app/controllers/application_controller.rb:143:in render' app/controllers/projects/blob_controller.rb:242:in show_html’
app/controllers/projects/blob_controller.rb:67:in block (2 levels) in show' app/controllers/projects/blob_controller.rb:65:in show’
app/controllers/application_controller.rb:583:in block in allow_gitaly_ref_name_caching' lib/gitlab/gitaly_client.rb:352:in allow_ref_name_caching’
app/controllers/application_controller.rb:582:in allow_gitaly_ref_name_caching' app/controllers/application_controller.rb:534:in set_current_admin’
lib/gitlab/session.rb:11:in with_session' app/controllers/application_controller.rb:525:in set_session_storage’
lib/gitlab/i18n.rb:107:in with_locale' lib/gitlab/i18n.rb:113:in with_user_locale’
app/controllers/application_controller.rb:513:in set_locale' app/controllers/application_controller.rb:507:in set_current_context’
lib/gitlab/middleware/memory_report.rb:13:in call' lib/gitlab/middleware/speedscope.rb:13:in call’
lib/gitlab/database/load_balancing/rack_middleware.rb:23:in call' lib/gitlab/jira/middleware.rb:19:in call’
lib/gitlab/middleware/go.rb:20:in call' lib/gitlab/etag_caching/middleware.rb:21:in call’
lib/gitlab/middleware/query_analyzer.rb:11:in block in call' lib/gitlab/database/query_analyzer.rb:37:in within’
lib/gitlab/middleware/query_analyzer.rb:11:in call' lib/gitlab/middleware/multipart.rb:173:in call’
lib/gitlab/middleware/read_only/controller.rb:50:in call' lib/gitlab/middleware/read_only.rb:18:in call’
lib/gitlab/middleware/same_site_cookies.rb:27:in call' lib/gitlab/middleware/handle_malformed_strings.rb:21:in call’
lib/gitlab/middleware/basic_health_check.rb:25:in call' lib/gitlab/middleware/handle_ip_spoof_attack_error.rb:25:in call’
lib/gitlab/middleware/request_context.rb:21:in call' lib/gitlab/middleware/webhook_recursion_detection.rb:15:in call’
config/initializers/fix_local_cache_middleware.rb:11:in call' lib/gitlab/middleware/compressed_json.rb:37:in call’
lib/gitlab/middleware/rack_multipart_tempfile_factory.rb:19:in call' lib/gitlab/middleware/sidekiq_web_static.rb:20:in call’
lib/gitlab/metrics/requests_rack_middleware.rb:77:in call' lib/gitlab/middleware/release_env.rb:13:in call’

received 500 error in production.log ,

Any solutions for this?