# NoMethodError undefined method `<' for nil:NilClass - **Location:** app/models/contest.rb:372 - **Occurred at:** 2026-04-20 11:35:42 UTC ## Backtrace ### Compact Trace ``` app/models/contest.rb:372:in `validate_dates' app/controllers/api/v1/contests_controller.rb:84:in `create' ``` ### Full Trace ``` /var/www/oblyk/api/releases/20260419135840/app/models/contest.rb:372:in `validate_dates' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:428:in `block in make_lambda' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:200:in `block (2 levels) in halting' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:605:in `block (2 levels) in default_terminator' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:604:in `catch' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:604:in `block in default_terminator' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:201:in `block in halting' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:513:in `block in invoke_before' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:513:in `each' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:513:in `invoke_before' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:134:in `run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:825:in `_run_validate_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activemodel-6.0.3.6/lib/active_model/validations.rb:406:in `run_validations!' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activemodel-6.0.3.6/lib/active_model/validations/callbacks.rb:117:in `block in run_validations!' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:135:in `run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:825:in `_run_validation_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activemodel-6.0.3.6/lib/active_model/validations/callbacks.rb:117:in `run_validations!' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activemodel-6.0.3.6/lib/active_model/validations.rb:337:in `valid?' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/validations.rb:68:in `valid?' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/validations.rb:84:in `perform_validations' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/validations.rb:47:in `save' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/transactions.rb:314:in `block in save' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/transactions.rb:375:in `block in with_transaction_returning_status' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/connection_adapters/abstract/database_statements.rb:280:in `block in transaction' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/connection_adapters/abstract/transaction.rb:280:in `block in within_new_transaction' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/concurrency/load_interlock_aware_monitor.rb:26:in `block (2 levels) in synchronize' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/connection_adapters/abstract/transaction.rb:278:in `within_new_transaction' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/connection_adapters/abstract/database_statements.rb:280:in `transaction' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/transactions.rb:212:in `transaction' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/transactions.rb:366:in `with_transaction_returning_status' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/transactions.rb:314:in `save' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/suppressor.rb:44:in `save' /var/www/oblyk/api/releases/20260419135840/app/controllers/api/v1/contests_controller.rb:84:in `create' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/abstract_controller/base.rb:195:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/rendering.rb:30:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/abstract_controller/callbacks.rb:42:in `block in process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:112:in `block in run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rorvswild-1.6.0/lib/rorvswild/plugin/action_controller.rb:28:in `around_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:121:in `instance_exec' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:121:in `block in run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:139:in `run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/abstract_controller/callbacks.rb:41:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/rescue.rb:22:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/instrumentation.rb:33:in `block in process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/notifications.rb:180:in `block in instrument' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/notifications/instrumenter.rb:24:in `instrument' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/notifications.rb:180:in `instrument' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/instrumentation.rb:32:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal/params_wrapper.rb:245:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activerecord-6.0.3.6/lib/active_record/railties/controller_runtime.rb:27:in `process_action' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/abstract_controller/base.rb:136:in `process' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal.rb:190:in `dispatch' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_controller/metal.rb:254:in `dispatch' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/routing/route_set.rb:50:in `dispatch' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/routing/route_set.rb:33:in `serve' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/journey/router.rb:49:in `block in serve' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/journey/router.rb:32:in `each' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/journey/router.rb:32:in `serve' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/routing/route_set.rb:834:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/session/abstract/id.rb:266:in `context' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/session/abstract/id.rb:260:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/cookies.rb:648:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/etag.rb:27:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/conditional_get.rb:40:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/head.rb:12:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/callbacks.rb:27:in `block in call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/callbacks.rb:101:in `run_callbacks' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/callbacks.rb:26:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/actionable_exceptions.rb:18:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/debug_exceptions.rb:32:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/railties-6.0.3.6/lib/rails/rack/logger.rb:37:in `call_app' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/railties-6.0.3.6/lib/rails/rack/logger.rb:26:in `block in call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/tagged_logging.rb:80:in `block in tagged' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/tagged_logging.rb:28:in `tagged' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/tagged_logging.rb:80:in `tagged' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/railties-6.0.3.6/lib/rails/rack/logger.rb:26:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/remote_ip.rb:81:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/request_store-1.5.0/lib/request_store/middleware.rb:19:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/request_id.rb:27:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/runtime.rb:22:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/activesupport-6.0.3.6/lib/active_support/cache/strategy/local_cache_middleware.rb:29:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/executor.rb:14:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-2.2.3/lib/rack/sendfile.rb:110:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/ssl.rb:74:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/actionpack-6.0.3.6/lib/action_dispatch/middleware/host_authorization.rb:76:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rack-cors-1.1.1/lib/rack/cors.rb:100:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/rorvswild-1.6.0/lib/rorvswild/plugin/middleware.rb:20:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/railties-6.0.3.6/lib/rails/engine.rb:527:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/puma-4.3.7/lib/puma/configuration.rb:228:in `call' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/puma-4.3.7/lib/puma/server.rb:713:in `handle_request' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/puma-4.3.7/lib/puma/server.rb:472:in `process_client' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/puma-4.3.7/lib/puma/server.rb:328:in `block in run' /var/www/oblyk/api/shared/bundle/ruby/2.6.0/gems/puma-4.3.7/lib/puma/thread_pool.rb:134:in `block in spawn_thread' ``` ## Request - **Name:** Api::V1::ContestsController#create - **Method:** POST - **URL:** https://api.oblyk.org/api/v1/gyms/604/contests.json - **Browser:** Chrome 147 ## Parameters ```json { "action": "create", "format": "json", "gym_id": "604", "contest": { "gym_id": 604, "authorise_public_subscription": true }, "controller": "api/v1/contests" } ``` ## Headers | Header | Value | |--------|-------| | Host | api.oblyk.org | | Accept | application/json, text/plain, */* | | Cf-Ray | 9ef3d8d35d00376c-MRS | | Origin | https://oblyk.org | | Referer | https://oblyk.org/ | | Version | HTTP/1.0 | | Cdn-Loop | cloudflare; loops=1 | | Priority | u=1, i | | Sec-Ch-Ua | "Google Chrome";v="147", "Not.A/Brand";v="8", "Chromium";v="147" | | Cf-Visitor | {"scheme":"https"} | | Connection | close | | User-Agent | Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 | | Cf-Ipcountry | FR | | Authorization | [FILTERED] | | Sec-Fetch-Dest | empty | | Sec-Fetch-Mode | cors | | Sec-Fetch-Site | same-site | | Accept-Encoding | gzip, br | | Accept-Language | fr-FR,fr;q=0.9,en-US;q=0.8,en;q=0.7 | | X-Forwarded-For | 2a01:cb1d:92e1:5800:8474:e595:acf1:936b, 162.159.122.162 | | Cf-Connecting-Ip | 2a01:cb1d:92e1:5800:8474:e595:acf1:936b | | Sec-Ch-Ua-Mobile | ?1 | | X-Forwarded-Proto | https | | Httpapiaccesstoken | [FILTERED] | | Sec-Ch-Ua-Platform | "Android" | ## Environment | Variable | Value | |----------|-------| | os | Linux 5.10.0-14-cloud-amd64 | | cwd | /var/www/oblyk/api/releases/20260419135840 | | pid | 2622910 | | host | oblyk-api | | ruby | ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-linux] | | user | oblyk | | rails | 6.0.3.6 | | revision | 32d10418b43110b3eb4a704633ec9cfbbbbaf4d6 | [View on RoRvsWild ↗](https://www.rorvswild.com/applications/135627/errors/86575375)