A TypeError occurred in gateway#index:

no implicit conversion of String into Integer 
lib/elocktech-ruby-lib/lib/usp_messages.rb:161:in `pack'

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Request: 
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* URL : https://www.bikelink.org/gateway 
* HTTP Method: POST 
* IP address : 34.212.155.16 
* Parameters : {"usp"=>"\xC1\b\x00\x02\xA5\xA5\x00\x15", "action"=>"index", "controller"=>"gateway", "person"=>{"email"=>"11hein02-gw@bikelink.org", "password"=>"[FILTERED]"}} 
* Timestamp : 2020-04-19 12:03:23 UTC 
* Server : www-4.internal.bikelink.org 
* Rails root : /var/www/bikelink 
* Process: 16026

------------------------------- 
Session: 
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* session id: [FILTERED] 
* data: {"session_id"=>"02dee16054b670672484394b088eac1b", 
"password_session_token"=>"8f00be529dc5978167c73edb", 
"warden.user.person.key"=>[[31546], "yALxPNvexBbCGxYQuxeE"]}

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

lib/elocktech-ruby-lib/lib/usp_messages.rb:161:in `pack' 
lib/elocktech-ruby-lib/lib/usp_messages.rb:161:in `marshall' 
app/lib/usp_gateway_messages.rb:515:in `marshall' 
app/controllers/gateway_controller.rb:55:in `block in index' 
app/controllers/gateway_controller.rb:54:in `each' 
app/controllers/gateway_controller.rb:54:in `index'

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