histories index (ArgumentError) "invalid value for Integer(): \"ýě\""

An ArgumentError occurred in histories#index:

 invalid value for Integer(): "ýě"
 app/controllers/access_hubs/histories_controller.rb:6:in `index'

-------------------------------
Request:
-------------------------------

 * URL        : https://bikelink.org/access_hubs/23/histories?page=%C3%BD%C4%9B
 * HTTP Method: GET
 * IP address : 46.23.53.80
 * Parameters : {"page"=>"ýě", "controller"=>"access_hubs/histories", "action"=>"index", "access_hub_id"=>"23"}
 * Timestamp  : 2020-09-26 19:11:13 UTC
 * Server : www-4.internal.bikelink.org
   * Rails root : /var/www/bikelink
 * Process: 22183

-------------------------------
Session:
-------------------------------
 * session id: [FILTERED]
 * data: {"session_id"=>"291a319cd89ee796aeeedd1e89ea8672",
  "warden.user.person.key"=>[[29434], "g96J_1sBQzz1Dzgu4K3D"],
  "_csrf_token"=>"B4I6GHActAr34ErrbL0e24DEJK03FzesMkd6wD5Y9Is="}

-------------------------------
Backtrace:
-------------------------------

app/controllers/access_hubs/histories_controller.rb:6:in `index'
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