Hello,
I too have this problem updating through the source method from 6.4.2 to 6.5.0.
The version of Ubuntu is 24.04, another user also had this problem but the one who did the same as me on the other hand the downgrade of the version.
https://community.zammad.org/t/found-two-visible-definitions-for-subscriptions-ticketliveuserupdates/17457/3
The complete error that I receive is this:
Started PUT "/api/v1/taskbar/2414" for 172.26.4.40 at 2025-05-08 07:48:32 +0000
I, [2025-05-08T07:48:32.653732#37831-197000] INFO -- : Processing by TaskbarController#update as JSON
I, [2025-05-08T07:48:32.653855#37831-197000] INFO -- : Parameters: {"key"=>"Ticket-128822", "callback"=>"TicketZoom", "state"=>{"ticket"=>{}, "article"=>{"form_id"=>"13617378-c7c9-4d53-b18c-1e2bd896875e"}}, "params"=>{"ticket_id"=>128822, "overview_id"=>1, "init"=>true}, "prio"=>2, "notify"=>false, "active"=>true, "attachments"=>[], "updated_at"=>"2025-05-08T07:09:14.626Z", "id"=>"2414"}
E, [2025-05-08T07:48:32.685186#37831-197000] ERROR -- : Found two visible definitions for Subscriptions.ticketLiveUserUpdates: #<Gql::Fields::BaseField Subscriptions.ticketLiveUserUpdates(...): TicketLiveUserUpdatesPayload!>, #<Gql::Fields::BaseField Subscriptions.ticketLiveUserUpdates(...): TicketLiveUserUpdatesPayload!> (GraphQL::Schema::DuplicateNamesError)
app/graphql/gql/subscriptions/base_subscription.rb:44:in trigger'
app/models/taskbar/triggers_subscriptions.rb:27:in trigger_live_user_subscriptions'
app/controllers/application_controller/renders_models.rb:56:in model_update_render'
app/controllers/taskbar_controller.rb:22:in update'
app/controllers/application_controller/handles_transitions.rb:16:in handle_transaction'
I, [2025-05-08T07:48:32.687723#37831-197000] INFO -- : Completed 500 Internal Server Error in 34ms (Views: 0.2ms | ActiveRecord: 5.5ms (15 queries, 6 cached) | GC: 0.4ms)
I checked the file opt/zammad/app/graphql/gql/subscriptions/ticket_live_user_updates.rb but there is no repetition of this subscription