Shipperhq Shipper

1. Open Shipperhq/Shipper/etc/config.xml and find the following lines:

   <controller_action_predispatch_onestepcheckout_index_index>
       <observers>
           <shipperhq_shipper_onestepcheckout_predispatch_observer>
               <class>shipperhq_shipper/observer</class>
               <method>onOneStepCheckoutIndex</method>
           </shipperhq_shipper_onestepcheckout_predispatch_observer>
       </observers>
   </controller_action_predispatch_onestepcheckout_index_index>
   

   Replace them with:

   <controller_action_predispatch_onestepcheckout_index_index>
       <observers>
           <shipperhq_shipper_onestepcheckout_predispatch_observer>
               <class>shipperhq_shipper/observer</class>
               <method>onOneStepCheckoutIndex</method>
           </shipperhq_shipper_onestepcheckout_predispatch_observer>
       </observers>
   </controller_action_predispatch_onestepcheckout_index_index>
   <controller_action_predispatch_firecheckout_index_index>
       <observers>
           <shipperhq_shipper_firecheckout_predispatch_observer>
               <class>shipperhq_shipper/observer</class>
               <method>onOneStepCheckoutIndex</method>
           </shipperhq_shipper_firecheckout_predispatch_observer>
       </observers>
   </controller_action_predispatch_firecheckout_index_index>
   

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