diff --git a/tests/utils/test_sharepoint_client_error_handling.py b/tests/utils/test_sharepoint_client_error_handling.py
index aa52d4bd7..4cae1578e 100644
--- a/tests/utils/test_sharepoint_client_error_handling.py
+++ b/tests/utils/test_sharepoint_client_error_handling.py
@@ -1,11 +1,16 @@
 import logging
-from typing import Any, Optional
+from typing import Any, Callable, Optional, cast
 
 import pytest
 
 from utils.sharepoint.sharepoint_client import (
     ResourceNotFoundError,
-    api_call_decorator,
+    api_call_decorator,  # pyright: ignore[reportUnknownVariableType]
+)
+
+# The legacy decorator is untyped; cast so this module stays pyright-strict.
+_decorate = cast(
+    Callable[[Callable[..., Any]], Callable[..., Any]], api_call_decorator
 )
 
 
@@ -26,7 +31,7 @@ class _FakeClient:
     def is_access_token_expired(self) -> bool:
         return False
 
-    @api_call_decorator
+    @_decorate
     def fetch(self, path: str) -> Any:
         return "GET", f"https://graph.example.invalid/root:/{path}:/children", None
 
@@ -34,9 +39,11 @@ class _FakeClient:
 def _patch_response(
     monkeypatch: pytest.MonkeyPatch, response: _FakeResponse
 ) -> None:
+    def fake_request(*args: Any, **kwargs: Any) -> _FakeResponse:
+        return response
+
     monkeypatch.setattr(
-        "utils.sharepoint.sharepoint_client.requests.request",
-        lambda *args, **kwargs: response,
+        "utils.sharepoint.sharepoint_client.requests.request", fake_request
     )
 
 
@@ -56,3 +63,19 @@ def test_404_raises_resource_not_found_without_error_logs(
     # Assert
     error_records = [r for r in caplog.records if r.levelno >= logging.ERROR]
     assert error_records == []
+
+
+def test_other_client_errors_still_log_at_error_level(
+    monkeypatch: pytest.MonkeyPatch, caplog: pytest.LogCaptureFixture
+) -> None:
+    # Arrange
+    _patch_response(
+        monkeypatch, _FakeResponse(403, "accessDenied", "Access denied.")
+    )
+
+    # Act
+    with pytest.raises(ValueError):
+        _FakeClient().fetch("forbidden/folder")
+
+    # Assert
+    assert any(r.levelno >= logging.ERROR for r in caplog.records)
diff --git a/utils/sharepoint/sharepoint_client.py b/utils/sharepoint/sharepoint_client.py
index 976b47831..0364320f4 100644
--- a/utils/sharepoint/sharepoint_client.py
+++ b/utils/sharepoint/sharepoint_client.py
@@ -39,6 +39,12 @@ def handle_error(response):
     inner_error = error_json.get("innererror", {})
     details = error_json.get("details", [])
 
+    if response.status_code == 404:
+        logger.debug(f"Not found ({error_code}): {error_message}")
+        raise ResourceNotFoundError(
+            f"API request failed with status code 404 - {error_message}"
+        )
+
     logger.error(f"Error Code: {error_code}")
     logger.error(f"Error Message: {error_message}")
     if inner_error:
@@ -50,8 +56,6 @@ def handle_error(response):
         logger.error("Unauthorized. Token might be invalid.")
     elif response.status_code == 403:
         logger.error("Forbidden. Access denied to the requested resource.")
-    elif response.status_code == 404:
-        logger.error("Not Found. The requested resource doesn’t exist.")
     elif response.status_code == 429:
         retry_after = int(
             response.headers.get("Retry-After", 5)
@@ -125,6 +129,8 @@ def api_call_decorator(func):
 
             return response_data
 
+        except ResourceNotFoundError:
+            raise
         except Exception as e:
             logger.exception("An error occurred during the API call.")
             raise e