diff --git a/dagflow/dagflow.py b/dagflow/dagflow.py
index 119ed6e..ac646be 100644
--- a/dagflow/dagflow.py
+++ b/dagflow/dagflow.py
@@ -364,6 +364,8 @@ where backid=${backid}$
 				errback: ef
 			}
 			asyncio.create_task(env.run_skillagent, params)
+		except Exception as e:
+			await self.task_error_callback(ne.id, str(e))
 	# ------------------------------
 	# Human task APIs
 	# ------------------------------