diff --git a/APSToolkitPython/setup.py b/APSToolkitPython/setup.py
index 8596619..adc7368 100644
--- a/APSToolkitPython/setup.py
+++ b/APSToolkitPython/setup.py
@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="aps-toolkit",
-    version="0.4.2",
+    version="0.4.4",
     author="chuong mep",
     author_email="chuongpqvn@gmail.com",
     description="A Toolkit Autodesk Platform Services for Python",
diff --git a/APSToolkitPython/src/aps_toolkit/PropReader.py b/APSToolkitPython/src/aps_toolkit/PropReader.py
index 626c2da..62e9c88 100644
--- a/APSToolkitPython/src/aps_toolkit/PropReader.py
+++ b/APSToolkitPython/src/aps_toolkit/PropReader.py
@@ -42,7 +42,10 @@ def __init__(self, urn, token, region="US", manifest_item: [ManifestItem] = None
     def _read_metadata(self):
         derivative = Derivative(self.urn, self.token, self.region)
         manifest_items = derivative.read_svf_manifest_items()
-        self._read_metadata_item(derivative, manifest_items[0])
+        if len(manifest_items) > 0:
+            self._read_metadata_item(derivative, manifest_items[0])
+        else:
+            raise Exception("No manifest item found")
 
     def _read_metadata_item(self, derivative, manifest_item):
         items = [
@@ -233,7 +236,7 @@ def get_recursive_ids_by_parameters(self, db_ids: List[int], params: List[str])
             singleDF = pd.DataFrame(properties, index=[0])
             dataframe = pd.concat([dataframe, singleDF], ignore_index=True)
             ids = self.get_children(id)
-            dataframe = pd.concat([dataframe, self.get_recursive_ids_by_parameters(ids,params)], ignore_index=True)
+            dataframe = pd.concat([dataframe, self.get_recursive_ids_by_parameters(ids, params)], ignore_index=True)
         if 'dbId' in dataframe.columns:
             dataframe = dataframe[['dbId'] + [col for col in dataframe.columns if col not in ['dbId']]]
         return dataframe
diff --git a/APSToolkitPython/src/test/test_prop_reader.py b/APSToolkitPython/src/test/test_prop_reader.py
index f50f12c..e086d88 100644
--- a/APSToolkitPython/src/test/test_prop_reader.py
+++ b/APSToolkitPython/src/test/test_prop_reader.py
@@ -6,7 +6,7 @@
 
 class TestPropDbReader(TestCase):
     def setUp(self):
-        self.urn = "dXJuOmFkc2sud2lwcHJvZDpmcy5maWxlOnZmLm5KaEpjQkQ1UXd1bjlIV1ktNWViQmc_dmVyc2lvbj0x"
+        self.urn = "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6Y2h1b25nX2J1Y2tldC9NeUhvdXNlLmlmYw"
         self.token = Auth().auth2leg()
         self.prop_reader = PropReader(self.urn, self.token)