I see the Production.log has the following :
Completed 500 Internal Server Error in 329ms (ActiveRecord: 23.3ms)
JWT::DecodeError (Nil JSON web token):
lib/gitlab/workhorse.rb:202:in decode_jwt' lib/gitlab/workhorse.rb:198:in verify_api_request!’
app/controllers/concerns/workhorse_request.rb:11:in verify_workhorse_api!' lib/gitlab/i18n.rb:50:in with_locale’
lib/gitlab/i18n.rb:56:in with_user_locale' app/controllers/application_controller.rb:350:in set_locale’
lib/gitlab/middleware/multipart.rb:95:in call' lib/gitlab/request_profiler/middleware.rb:14:in call’
lib/gitlab/middleware/go.rb:17:in call' lib/gitlab/etag_caching/middleware.rb:11:in call’
lib/gitlab/middleware/read_only/controller.rb:28:in call' lib/gitlab/middleware/read_only.rb:16:in call’
lib/gitlab/request_context.rb:18:in call' lib/gitlab/metrics/requests_rack_middleware.rb:27:in call’
lib/gitlab/middleware/release_env.rb:10:in `call’