```ruby
require 'active_record'
require "#{Rails.root}/lib/extensions/active_record"

require 'periscope'
require "#{Rails.root}/lib/extensions/periscope"

require 'jsonapi-resources'
require "#{Rails.root}/lib/extensions/jsonapi"
```

Stop trying to load non-existent extension
user
```ruby
require 'periscope'
require "#{Rails.root}/lib/extensions/periscope"

require 'jsonapi-resources'
require "#{Rails.root}/lib/extensions/jsonapi"
```
assistant