diff --git a/importer/handlers/tiles3d/handler.py b/importer/handlers/tiles3d/handler.py
index f7e58fb..b727363 100755
--- a/importer/handlers/tiles3d/handler.py
+++ b/importer/handlers/tiles3d/handler.py
@@ -124,7 +124,7 @@ def validate_3dtile_payload(payload):
                 "The mandatory 'boundingVolume' for the key 'root' is missing"
             )
 
-        error = payload.get("root", {}).get("geometricError", None)
+        error = payload.get("geometricError", None) or payload.get("root", {}).get("geometricError", None)
         if error is None:
             raise Invalid3DTilesException(
                 "The mandatory 'geometricError' for the key 'root' is missing"
diff --git a/importer/handlers/tiles3d/tests.py b/importer/handlers/tiles3d/tests.py
index aee5595..52ae9b6 100755
--- a/importer/handlers/tiles3d/tests.py
+++ b/importer/handlers/tiles3d/tests.py
@@ -140,7 +140,7 @@ def test_validate_should_raise_exception_for_invalid_asset_key(self):
     def test_validate_should_raise_exception_for_invalid_root_boundingVolume(self):
         _json = {
             "asset": {"version": "1.1"},
-            "geometricError": 1.0,
+            "geometricError": 1.0,            
             "root": {"foo": {"box": []}, "geometricError": 0.0},
         }
         _path = "/tmp/tileset.json"
@@ -159,7 +159,6 @@ def test_validate_should_raise_exception_for_invalid_root_boundingVolume(self):
     def test_validate_should_raise_exception_for_invalid_root_geometricError(self):
         _json = {
             "asset": {"version": "1.1"},
-            "geometricError": 1.0,
             "root": {"boundingVolume": {"box": []}, "foo": 0.0},
         }
         _path = "/tmp/tileset.json"
@@ -170,7 +169,7 @@ def test_validate_should_raise_exception_for_invalid_root_geometricError(self):
 
         self.assertIsNotNone(_exc)
         self.assertTrue(
-            "The mandatory 'geometricError' for the key 'root' is missing"
+            "The provided 3DTiles is not valid, some of the mandatory keys are missing. Mandatory keys are: 'asset', 'geometricError', 'root'"
             in str(_exc.exception.detail)
         )
         os.remove(_path)
diff --git a/importer/tests/end2end/test_end2end.py b/importer/tests/end2end/test_end2end.py
index db8225b..85c6baf 100644
--- a/importer/tests/end2end/test_end2end.py
+++ b/importer/tests/end2end/test_end2end.py
@@ -543,7 +543,7 @@ def test_import_wms(self):
             "lookup": resource_to_take,
             "parse_remote_metadata": True,
         }
-        initial_name = res.title
+        initial_name = res.title.lower().replace(" ", "_")
         assert_payload = {
             "subtype": "remote",
             "title": res.title,