billing.rb in activemerchant-1.44.0

- old
+ new

@@ -1,9 +1,11 @@
+require 'active_merchant/errors'
+
 require 'active_merchant/billing/avs_result'
 require 'active_merchant/billing/cvv_result'
 require 'active_merchant/billing/credit_card_methods'
 require 'active_merchant/billing/credit_card_formatting'
 require 'active_merchant/billing/credit_card'
 require 'active_merchant/billing/base'
 require 'active_merchant/billing/check'
 require 'active_merchant/billing/response'
-require 'active_merchant/billing/gateways'
\ No newline at end of file
+require 'active_merchant/billing/gateways'