diff --git a/robocom-zero.cabal b/robocom-zero.cabal
index 1cf364c..790315b 100644
--- a/robocom-zero.cabal
+++ b/robocom-zero.cabal
@@ -42,7 +42,7 @@ library
                      , ATrade.Driver.Junction.RemoteControl
                      , ATrade.Driver.Junction.JunctionMonad
   build-depends:       base >= 4.7 && < 5
-                     , libatrade >= 0.13.0.0 && < 0.14.0.0
+                     , libatrade >= 0.15.0.0 && < 0.16.0.0
                      , text
                      , text-icu
                      , lens
diff --git a/src/ATrade/Driver/Junction.hs b/src/ATrade/Driver/Junction.hs
index b5de445..8ddebb1 100644
--- a/src/ATrade/Driver/Junction.hs
+++ b/src/ATrade/Driver/Junction.hs
@@ -156,7 +156,7 @@ junctionMain descriptors = do
             withJunction env $ do
               startRobots cfg
               forever $ do
-                notifications <- liftIO $ getNotifications broService
+                notifications <- getNotifications broService
                 forM_ notifications (liftIO . handleBrokerNotification robotsMap ordersMap handledNotifications globalLogger)
                 saveRobots
                 handleRemoteControl 1000
diff --git a/src/ATrade/Driver/Junction/BrokerService.hs b/src/ATrade/Driver/Junction/BrokerService.hs
index a03f085..ab07ba0 100644
--- a/src/ATrade/Driver/Junction/BrokerService.hs
+++ b/src/ATrade/Driver/Junction/BrokerService.hs
@@ -12,7 +12,7 @@ module ATrade.Driver.Junction.BrokerService
 
 import qualified ATrade.Broker.Client       as Bro
 import           ATrade.Broker.Protocol     (Notification (..))
-import           ATrade.Logging             (Message, logDebug)
+import           ATrade.Logging             (Message, logDebug, logWarning)
 import           ATrade.Types               (Order (..), OrderId)
 import           Colog                      (WithLog)
 import           Control.Monad.IO.Class     (MonadIO (liftIO))
@@ -38,19 +38,27 @@ submitOrder service identity order = do
   oid <- nextOrderId service
   logDebug "BrokerService" $ "New order, id: " <> (T.pack . show) oid
   liftIO $ atomicModifyIORef' (orderMap service) (\s -> (M.insert oid identity s, ()))
-  _ <- liftIO $ Bro.submitOrder (broker service) order { orderId = oid }
+  r <- liftIO $ Bro.submitOrder (broker service) order { orderId = oid }
+  case r of
+    Left err -> logWarning "BrokerServer" $ "Submit order error: " <> err
+    _        -> return ()
   return oid
   where
     nextOrderId srv = liftIO $ atomicModifyIORef' (orderIdCounter srv) (\s -> (s + 1, s))
 
-cancelOrder :: BrokerService -> OrderId -> IO ()
+cancelOrder :: (MonadIO m, WithLog env Message m) => BrokerService -> OrderId -> m ()
 cancelOrder service oid = do
-  _ <- Bro.cancelOrder (broker service) oid
+  r <- liftIO $ Bro.cancelOrder (broker service) oid
+  case r of
+    Left err -> logWarning "BrokerServer" $ "Submit order error: " <> err
+    _        -> return ()
   return ()
 
-getNotifications :: BrokerService -> IO [Notification]
+getNotifications :: (MonadIO m, WithLog env Message m) => BrokerService -> m [Notification]
 getNotifications service = do
-  v <- Bro.getNotifications (broker service)
+  v <- liftIO $ Bro.getNotifications (broker service)
   case v of
-    Left _  -> return []
+    Left err  -> do
+      logWarning "BrokerServer" $ "Submit order error: " <> err
+      return []
     Right n -> return n
diff --git a/src/ATrade/Driver/Junction/RobotDriverThread.hs b/src/ATrade/Driver/Junction/RobotDriverThread.hs
index f3ff50c..0bb526a 100644
--- a/src/ATrade/Driver/Junction/RobotDriverThread.hs
+++ b/src/ATrade/Driver/Junction/RobotDriverThread.hs
@@ -177,7 +177,7 @@ instance MonadRobot (RobotM c s) c s where
 
   cancelOrder oid = do
     bro <- asks brokerService
-    liftIO . void $ Bro.cancelOrder bro oid
+    Bro.cancelOrder bro oid
 
   appendToLog s t = do
     instId <- _seInstanceId <$> (asks env >>= liftIO . readIORef)