Cannot publish program

[ineiti]

Hi there - I started to use OSEM for our latest conference, and it looks good, but a bit too complicated for my uses :) I have now over 90 people signed up, some propositions, and I'm trying to publish the program. But whatever I do, it doesn't seem to work. I started a new project from scratch, which failed in the same way:

1. Follow the instructions in INSTALL.md to create a new setup
2. Sign up as admin
3. Create a new conference
4. Define the venue, a room
5. Add an event
6. Add a track
7. Putting the event on the track
8. Going to 'schedule', 'show', and try "Selected schedule", which fails with undefined. In the logs I get:

I, [2025-10-01T07:50:53.200575 #24]  INFO -- : [987178e6-c4f1-4888-a158-3185b891062e] method=PATCH path=/admin/conferences/scd2025/program format=json controller=Admin::ProgramsController action=update status=400 allocations=4930 duration=58.00 view=0.00 db=11.42 params={"[program]" => {"selected_schedule_id" => ""}, "conference_id" => "scd2025"} user=ineiti
F, [2025-10-01T07:50:53.206804 #24] FATAL -- : [987178e6-c4f1-4888-a158-3185b891062e]   
[987178e6-c4f1-4888-a158-3185b891062e] ActionController::ParameterMissing (param is missing or the value is empty: program):
[987178e6-c4f1-4888-a158-3185b891062e]   
[987178e6-c4f1-4888-a158-3185b891062e] app/controllers/admin/programs_controller.rb:44:in 'Admin::ProgramsController#program_params'
[987178e6-c4f1-4888-a158-3185b891062e] app/controllers/admin/programs_controller.rb:16:in 'Admin::ProgramsController#update'

9. So I try 'schedule', 'track schedules', 'add track schedule', which also fails:

I, [2025-10-01T07:51:14.307003 #24]  INFO -- : [981a9221-9301-4d48-9089-ab8ab06675ee] method=GET path=/admin/conferences/scd2025/schedules format=html controller=Admin::SchedulesController action=index status=200 allocations=17625 duration=187.43 view=110.49 db=22.04 params={"conference_id" => "scd2025"} user=ineiti
I, [2025-10-01T07:51:17.485860 #24]  INFO -- : [64372480-f5ed-4d69-9050-b1ce84c6787c] method=GET path=/admin/conferences/scd2025/schedules/new format=html controller=Admin::SchedulesController action=new status=406 allocations=5726 duration=84.00 view=0.00 db=13.79 params={"conference_id" => "scd2025"} user=ineiti
F, [2025-10-01T07:51:17.504212 #24] FATAL -- : [64372480-f5ed-4d69-9050-b1ce84c6787c]   
[64372480-f5ed-4d69-9050-b1ce84c6787c] ActionController::MissingExactTemplate (Admin::SchedulesController#new is missing a template for request formats: text/html):

What am I missing here? Any help greatly appreciated!

[kurthuwig]

I have the same issue. Were you able to fix it?

[kurthuwig]

My error message is different:

I, [2025-11-02T08:12:59.059596 #33]  INFO -- : [67f8e83c-fde1-4480-b1f6-5d06ac51ca1a] method=PATCH path=/admin/conferences/dcc2025/program format=json controller=Admin::ProgramsController action=update status=500 allocations=4933 duration=23.78 view=0.00 db=7.66 params={"[program]" => {"selected_schedule_id" => "2"}, "conference_id" => "dcc2025"} user=kurt
F, [2025-11-02T08:12:59.060575 #33] FATAL -- : [67f8e83c-fde1-4480-b1f6-5d06ac51ca1a]   
[67f8e83c-fde1-4480-b1f6-5d06ac51ca1a] NoMethodError (undefined method '[]' for nil):
[67f8e83c-fde1-4480-b1f6-5d06ac51ca1a]   
[67f8e83c-fde1-4480-b1f6-5d06ac51ca1a] app/controllers/admin/programs_controller.rb:15:in 'Admin::ProgramsController#update'

[ineiti]

I spent quite some tokens on Claude Code to have an MVP which worked for our conference:

https://github.com/c4dt/osem/

There are still a lot of rough edges, and I won't continue throwing Claude tokens on it. I think that the project grew organically w/o proper testing, so there are different parts from different versions, but they don't work nicely together. At least that's what I gathered from Claude writing "this is from framework xyz, but the project uses abc, so I'll adopt it..."

For a next conference I'll try out this:

https://getindico.io/

and I'll hope that Cern did a better job :)

Of course there would be an opening to start week-end project #27, but I won't :)