diff --git a/src/backend/base/langflow/api/v1/chat.py b/src/backend/base/langflow/api/v1/chat.py
index c15c1cb39..a9743aec5 100644
--- a/src/backend/base/langflow/api/v1/chat.py
+++ b/src/backend/base/langflow/api/v1/chat.py
@@ -329,8 +329,7 @@ async def build_flow(
         build_task = asyncio.create_task(await asyncio.to_thread(_build_vertex, vertex_id, graph))
         try:
             await build_task
-        except asyncio.CancelledError as exc:
-            logger.exception(exc)
+        except asyncio.CancelledError:
             build_task.cancel()
             return
 
diff --git a/src/backend/base/langflow/services/tracing/service.py b/src/backend/base/langflow/services/tracing/service.py
index d42621f3e..86def8d00 100644
--- a/src/backend/base/langflow/services/tracing/service.py
+++ b/src/backend/base/langflow/services/tracing/service.py
@@ -211,7 +211,7 @@ class TracingService(Service):
             self._end_traces(trace_id, trace_name, e)
             raise e
         finally:
-            asyncio.create_task(asyncio.to_thread(self._end_and_reset, trace_id, trace_name, None))
+            asyncio.create_task(await asyncio.to_thread(self._end_and_reset, trace_id, trace_name, None))
 
     async def _end_and_reset(self, trace_id: str, trace_name: str, error: Exception | None = None):
         self._end_traces(trace_id, trace_name, error)