latches#unlock (NoMethodError) "undefined method `gateways_ui_nodes' for nil:NilClass"

A NoMethodError occurred in latches#unlock:

 undefined method `gateways_ui_nodes' for nil:NilClass
 app/lib/gateway_usp_queue_processor.rb:182:in `push_usp_class!'


-------------------------------
Request:
-------------------------------

 * URL        : https://www.bikelink.org/latches/6493/unlock
 * HTTP Method: POST
 * IP address : 173.164.162.129
 * Parameters : {"authenticity_token"=>"C+ThWGgh9Ux1J+PCXZm23XSoT9Oyr7sUzLqAJhJHDzfxzZPwrnXYDpWXRv8D1pOyVvkbstG0Xhby6hGaBs+0rQ==", "email"=>"estradamayra133@gmail.com", "password"=>"[FILTERED]", "commit"=>"Unlock", "controller"=>"latches", "action"=>"unlock", "id"=>"6493"}
 * Timestamp  : 2023-11-05 03:48:41 UTC
 * Server : www-6.internal.bikelink.org
   * Rails root : /var/www/bikelink
 * Process: 8983

-------------------------------
Session:
-------------------------------

 * session id: [FILTERED]
 * data: {"session_id"=>"b6927c22513e33b375bfd981fe8fb9e1",
  "warden.user.person.key"=>[[60462], "h3vBcMUAewevFBxzsQj6"],
  "_csrf_token"=>"yRv9QuDPsBrbZKGNiGpRWDW4F6I8RmdnJaOc1fP0ktk="}

A NoMethodError occurred in latches#unlock:

 undefined method `gateways_ui_nodes' for nil:NilClass
 app/lib/gateway_usp_queue_processor.rb:182:in `push_usp_class!'

-------------------------------
Backtrace:
-------------------------------

 app/lib/gateway_usp_queue_processor.rb:182:in `push_usp_class!'
 app/models/latch.rb:359:in `send_unlock_message_to_usp'
 app/models/latch.rb:363:in `unlock!'
 app/models/latch_unlock_request.rb:17:in `block in unlock!'
 app/models/latch_unlock_request.rb:16:in `unlock!'
 app/controllers/latches_controller.rb:69:in `unlock'
 app/controllers/application_controller.rb:45:in `process_action'
Reload