# Nieuwe onderwerpen worden niet geplaatst op Mattermost

**URL:** https://meta.discourse.org/t/new-topics-not-posting-to-mattermost/162965
**Category:** Support
**Tags:** chat-integration
**Created:** [3 september 2020 om 19:59 UTC](https://meta.discourse.org/t/new-topics-not-posting-to-mattermost/162965 "2020-09-03T19:59:47Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Grant\_L](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/grant_l/32/140428_2.png) [@Grant\_L](https://meta.discourse.org/u/Grant_L)
#### Post date: [3 september 2020 om 19:59 UTC](https://meta.discourse.org/t/new-topics-not-posting-to-mattermost/162965/1 "2020-09-03T19:59:47Z")

</div>

Have this plugin configured on my Discourse instance to ping a Mattermost channel on new posts. It works fine via the Test button in the Chat Plugin settings.

I noticed in the error logs: “Job exception: uninitialized constant Jobs::NotifyChats Did you mean? Notification”

backtrace:

```plaintext
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:276:in `const_get'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:276:in `block in constantize'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:273:in `each'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:273:in `inject'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:273:in `constantize'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:132:in `block (5 levels) in dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/rails.rb:43:in `block in call'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3.1/lib/active_support/execution_wrapper.rb:88:in `wrap'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3.1/lib/active_support/reloader.rb:72:in `block in wrap'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3.1/lib/active_support/execution_wrapper.rb:88:in `wrap'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.3.1/lib/active_support/reloader.rb:71:in `wrap'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/rails.rb:42:in `call'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:131:in `block (4 levels) in dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:257:in `stats'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:126:in `block (3 levels) in dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/job_logger.rb:13:in `call'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:125:in `block (2 levels) in dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/job_retry.rb:78:in `global'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:124:in `block in dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/logger.rb:10:in `with'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/job_logger.rb:33:in `prepare'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:123:in `dispatch'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:162:in `process'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:78:in `process_one'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/processor.rb:68:in `run'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/util.rb:15:in `watchdog'
/opt/bitnami/discourse-sidekiq/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.7/lib/sidekiq/util.rb:24:in `block in safe_thread'

```

If there’s any other info you need to help diagnose the issue, please don’t hesitate to ask