diff --git a/sdk/langchain/pyproject.toml b/sdk/langchain/pyproject.toml
index f1d3d93c..1d1fcf9e 100644
--- a/sdk/langchain/pyproject.toml
+++ b/sdk/langchain/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "uipath-langchain"
-version = "0.0.84"
+version = "0.0.85"
 description = "UiPath Langchain"
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.9"
diff --git a/sdk/langchain/uipath_langchain/tracers/AsyncUiPathTracer.py b/sdk/langchain/uipath_langchain/tracers/AsyncUiPathTracer.py
index 4173192c..3d6d0708 100644
--- a/sdk/langchain/uipath_langchain/tracers/AsyncUiPathTracer.py
+++ b/sdk/langchain/uipath_langchain/tracers/AsyncUiPathTracer.py
@@ -79,7 +79,10 @@ async def on_custom_event(
             if data.event_type == "call":
                 run = self.run_map[str(run_id)]
                 child_run = run.create_child(
-                    name=data.function_name, run_type=data.run_type, tags=data.tags
+                    name=data.function_name,
+                    run_type=data.run_type,
+                    tags=data.tags,
+                    inputs=data.inputs,
                 )
 
                 if data.metadata is not None:
diff --git a/sdk/langchain/uipath_langchain/tracers/_events.py b/sdk/langchain/uipath_langchain/tracers/_events.py
index 9cb1e8a7..0b91b02c 100644
--- a/sdk/langchain/uipath_langchain/tracers/_events.py
+++ b/sdk/langchain/uipath_langchain/tracers/_events.py
@@ -17,7 +17,7 @@ def __init__(
         inputs: Dict[str, Any],
         call_uuid: str,
         output: Any,
-        error: str,
+        error: Optional[str] = None,
         run_type: Optional[RUN_TYPE_T] = None,
         tags: Optional[List[str]] = None,
         metadata: Optional[Dict[str, Any]] = None,
diff --git a/sdk/langchain/uipath_langchain/tracers/_instrument_traceable.py b/sdk/langchain/uipath_langchain/tracers/_instrument_traceable.py
index 87b3979e..7bf96845 100644
--- a/sdk/langchain/uipath_langchain/tracers/_instrument_traceable.py
+++ b/sdk/langchain/uipath_langchain/tracers/_instrument_traceable.py
@@ -38,7 +38,7 @@ def dispatch_trace_event(
         inputs=inputs,
         call_uuid=call_uuid,
         output=result,
-        error=str(exception),
+        error=str(exception) if exception else None,
         run_type=run_type,
         tags=tags,
         metadata=metadata,