diff --git a/litellm/proxy/management_helpers/utils.py b/litellm/proxy/management_helpers/utils.py
index efbe667fb68..af8e8520134 100644
--- a/litellm/proxy/management_helpers/utils.py
+++ b/litellm/proxy/management_helpers/utils.py
@@ -109,8 +109,8 @@ async def add_new_member(
                 where={"user_id": user_info.user_id},  # type: ignore
                 data={"teams": {"push": [team_id]}},
             )
-
-            returned_user = LiteLLM_UserTable(**_returned_user.model_dump())
+            if _returned_user is not None:
+                returned_user = LiteLLM_UserTable(**_returned_user.model_dump())
         elif len(existing_user_row) > 1:
             raise HTTPException(
                 status_code=400,
diff --git a/litellm/tests/test_exceptions.py b/litellm/tests/test_exceptions.py
index 0388e026b9f..a570692f6db 100644
--- a/litellm/tests/test_exceptions.py
+++ b/litellm/tests/test_exceptions.py
@@ -864,7 +864,7 @@ def _pre_call_utils(
         data["messages"] = [{"role": "user", "content": "Hello world"}]
         if streaming is True:
             data["stream"] = True
-        mapped_target = client.chat.completions.with_raw_response
+        mapped_target = client.chat.completions.with_raw_response  # type: ignore
         if sync_mode:
             original_function = litellm.completion
         else:
@@ -873,7 +873,7 @@ def _pre_call_utils(
         data["prompt"] = "Hello world"
         if streaming is True:
             data["stream"] = True
-        mapped_target = client.completions.with_raw_response
+        mapped_target = client.completions.with_raw_response  # type: ignore
         if sync_mode:
             original_function = litellm.text_completion
         else: