# Discourse 2.8.4 NoMethodError undefined method \`min\_tags\_from\_required\_group'

**URL:** <https://meta.discourse.org/t/discourse-2-8-4-nomethoderror-undefined-method-min-tags-from-required-group/282781>\
**Category:** Self-hosting\
**Tags:** unsupported-install\
**Created:** [Outubro 19, 2023, 10:32am UTC](https://meta.discourse.org/t/discourse-2-8-4-nomethoderror-undefined-method-min-tags-from-required-group/282781 "2023-10-19T10:32:26Z")\
**Posts on this page:** 1\
**Showing post:** 1

<div class="post-metadata">

**Author:** ![agrosu](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/agrosu/32/334066_2.png) [@agrosu](https://meta.discourse.org/u/agrosu)\
**Post date:** [Outubro 19, 2023, 10:32am UTC](https://meta.discourse.org/t/discourse-2-8-4-nomethoderror-undefined-method-min-tags-from-required-group/282781/1 "2023-10-19T10:32:26Z")

</div>

Olá

Tenho um problema com o Discourse versão 2.8.4. O seguinte erro começou a aparecer. Obrigado por toda a ajuda!

```plaintext
discourse 10:20:36.33 INFO ==> **Starting Discourse**
=============== Phusion Passenger(R) Standalone web server started ===============
PID file: /opt/bitnami/discourse/passenger.8085.pid
Log file: /opt/bitnami/discourse/log/passenger.8085.log
Environment: production
Accessible via: http://0.0.0.0:8085/

You can stop Phusion Passenger(R) Standalone by pressing Ctrl-C.
Problems? Check https://www.phusionpassenger.com/library/admin/standalone/troubleshooting/
===============================================================================
[N 2023-10-19 10:20:39.6128 573/T5 age/Cor/SecurityUpdateChecker.h:519]: Security update check: no update found (next check in 24 hours)
Started HEAD "/" for 127.0.0.1 at 2023-10-19 10:20:57 +0000
Processing by ListController#latest as HTML
  Rendered exceptions/not_found.html.erb within layouts/application (Duration: 201.0ms | Allocations: 11288)
  Rendered layout layouts/application.html.erb (Duration: 890.7ms | Allocations: 131052)
  Rendered html template (Duration: 0.1ms | Allocations: 2)
Completed 403 Forbidden in 1407ms (Views: 1.5ms | ActiveRecord: 0.0ms | Allocations: 213808)
Started GET "/" for 51.210.159.157 at 2023-10-19 10:25:14 +0000
Processing by ListController#latest as HTML
Completed 500 Internal Server Error in 815ms (ActiveRecord: 0.0ms | Allocations: 77957)
NoMethodError (undefined method `min_tags_from_required_group' for #<Category:0x000055d0dea2b8b8>)
(eval):36:in `_fast_attributes'
app/models/site.rb:70:in `block in all_categories_cache'
lib/cache.rb:94:in `fetch'
app/models/site.rb:52:in `all_categories_cache'
app/models/site.rb:78:in `categories'
app/serializers/site_serializer.rb:203:in `categories'
(eval):32:in `_fast_attributes'
app/models/site.rb:167:in `json_for'
app/controllers/application_controller.rb:595:in `preload_anonymous_data'
app/controllers/application_controller.rb:407:in `preload_json'
app/controllers/application_controller.rb:387:in `block in with_resolved_locale'
app/controllers/application_controller.rb:387:in `with_resolved_locale'
lib/middleware/omniauth_bypass_middleware.rb:71:in `call'
lib/middleware/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:361:in `call'
config/initializers/100-quiet_logger.rb:23:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
lib/middleware/enforce_hostname.rb:23:in `call'
lib/middleware/request_tracker.rb:198:in `call'

```

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_[View the full topic](https://meta.discourse.org/t/discourse-2-8-4-nomethoderror-undefined-method-min-tags-from-required-group/282781)._