diff --git a/metadata-ingestion/src/datahub/ingestion/source/looker/looker_config.py b/metadata-ingestion/src/datahub/ingestion/source/looker/looker_config.py
index 3ed3186399588e..0f8d86a2cbd295 100644
--- a/metadata-ingestion/src/datahub/ingestion/source/looker/looker_config.py
+++ b/metadata-ingestion/src/datahub/ingestion/source/looker/looker_config.py
@@ -177,7 +177,9 @@ def _get_generic_definition(
 class LookerConnectionDefinition(ConfigModel):
     platform: str
     default_db: str
-    default_schema: Optional[str]  # Optional since some sources are two-level only
+    default_schema: Optional[str] = (
+        None  # Optional since some sources are two-level only
+    )
     platform_instance: Optional[str] = None
     platform_env: Optional[str] = Field(
         default=None,
diff --git a/metadata-ingestion/src/datahub/ingestion/source/looker/looker_file_loader.py b/metadata-ingestion/src/datahub/ingestion/source/looker/looker_file_loader.py
index bd6a37fe4b4e24..ba7b62a1281c02 100644
--- a/metadata-ingestion/src/datahub/ingestion/source/looker/looker_file_loader.py
+++ b/metadata-ingestion/src/datahub/ingestion/source/looker/looker_file_loader.py
@@ -65,7 +65,7 @@ def _load_viewfile(
             with open(path) as file:
                 raw_file_content = file.read()
         except Exception as e:
-            self.reporter.failure(
+            self.reporter.report_warning(
                 title="LKML File Loading Error",
                 message="A lookml file is not present on local storage or GitHub",
                 context=f"file path: {path}",
@@ -101,7 +101,7 @@ def _load_viewfile(
             self.viewfile_cache[path] = looker_viewfile
             return looker_viewfile
         except Exception as e:
-            self.reporter.failure(
+            self.reporter.report_warning(
                 title="LKML File Parsing Error",
                 message="The input file is not lookml file",
                 context=f"file path: {path}",