diff --git a/litellm/integrations/mavvrik_focus/mavvrik_focus_logger.py b/litellm/integrations/mavvrik_focus/mavvrik_focus_logger.py
index a5968944dc6..bbc9d1a6330 100644
--- a/litellm/integrations/mavvrik_focus/mavvrik_focus_logger.py
+++ b/litellm/integrations/mavvrik_focus/mavvrik_focus_logger.py
@@ -276,7 +276,9 @@ class MavvrikFocusLogger(FocusLogger):
             )
 
             instance = _init_custom_logger_compatible_class(
-                logging_integration="mavvrik"
+                logging_integration="mavvrik",
+                internal_usage_cache=None,
+                llm_router=None,
             )
             if isinstance(instance, MavvrikFocusLogger):
                 loggers = [instance]
diff --git a/tests/test_litellm/integrations/focus/test_mavvrik_destination.py b/tests/test_litellm/integrations/focus/test_mavvrik_destination.py
index e440436305c..3a23dc4ffb2 100644
--- a/tests/test_litellm/integrations/focus/test_mavvrik_destination.py
+++ b/tests/test_litellm/integrations/focus/test_mavvrik_destination.py
@@ -774,8 +774,8 @@ async def test_gcs_session_cancelled_on_chunk_failure():
 
 
 @pytest.mark.asyncio
-async def test_update_metrics_marker_warns_on_4xx():
-    """_update_metrics_marker must log a warning on 4xx but not raise."""
+async def test_update_metrics_marker_warns_on_non_410_error():
+    """_update_metrics_marker must log a warning on any >=400 (non-410) status but not raise."""
     dest = _dest()
 
     fail_resp = MagicMock()