[+] I dont see how, but double registered requests would've crashed the client due to a shitily written loop

Source/AuRPCClientChannel.cpp

@@ -163,11 +163,10 @@ void AuRPCClientChannel::ProcessResponse(const AuSPtr<AuRPCResponse> &response)
 
     for (auto itr = this->outstandingRequests.begin();
          itr != this->outstandingRequests.end();
-         )
+         itr++)
     {
         if (response->cookie != AuUInt(itr->get()))
         {
-            itr++;
             continue;
         }
 
@@ -178,6 +177,7 @@ void AuRPCClientChannel::ProcessResponse(const AuSPtr<AuRPCResponse> &response)
         {
             req->callback->OnResponse(*response);
         }
+        break;
     }
 }