diff --git a/pybotters/models/phemex.py b/pybotters/models/phemex.py
index df93389..4d74939 100644
--- a/pybotters/models/phemex.py
+++ b/pybotters/models/phemex.py
@@ -65,6 +65,9 @@ def _onmessage(self, msg: Item, ws: ClientWebSocketResponse) -> None:
             if 'positions' in msg:
                 self.positions._onmessage(msg.get('positions'))
 
+        if msg.get('error'):
+            logger.warning(msg)
+
     @property
     def trade(self) -> 'Trade':
         return self.get('trade', Trade)