devise NoMethodError (undefined method `utc'

こんなエラーが出てしまった場合

I, [2019-04-17T02:04:34.636864 #7612]  INFO -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] Started GET "/users/sign_in" for 133.218.55.173 at 2019-04-17 02:04:34 +0000
I, [2019-04-17T02:04:34.637545 #7612]  INFO -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] Processing by Users::SessionsController#new as HTML
D, [2019-04-17T02:04:34.639131 #7612] DEBUG -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d]    (0.2ms)  SET NAMES utf8mb4 COLLATE utf8mb4_bin,  @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ',STRICT_ALL_TABLES'), ',NO_AUTO_VALUE_ON_ZERO'),  @@SESSION.sql_auto_is_null = 0, @@SESSION.wait_timeout = 2147483
D, [2019-04-17T02:04:34.639915 #7612] DEBUG -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d]   User Load (0.3ms)  SELECT  `users`.* FROM `users` WHERE `users`.`id` = 1 ORDER BY `users`.`id` ASC LIMIT 1
I, [2019-04-17T02:04:34.641703 #7612]  INFO -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] Completed 500 Internal Server Error in 4ms (ActiveRecord: 1.0ms)
F, [2019-04-17T02:04:34.642646 #7612] FATAL -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d]
F, [2019-04-17T02:04:34.642770 #7612] FATAL -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] NoMethodError (undefined method `utc' for Sat, 06 Apr 2019:Date):
F, [2019-04-17T02:04:34.642858 #7612] FATAL -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d]
F, [2019-04-17T02:04:34.642973 #7612] FATAL -- : [18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] devise (4.5.0) lib/devise/models/rememberable.rb:118:in `remember_me?'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] devise (4.5.0) lib/devise/models/rememberable.rb:143:in `serialize_from_cookie'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] devise (4.5.0) lib/devise/strategies/rememberable.rb:22:in `authenticate!'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/strategies/base.rb:54:in `_run!'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:369:in `block in _run_strategies_for'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:365:in `each'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:365:in `_run_strategies_for'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:335:in `_perform_authentication'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:110:in `authenticate'
[18ca5a07-0693-4dd5-8be1-ac3c7c5ea47d] warden (1.2.8) lib/warden/proxy.rb:120:in `authenticate?'

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