diff --git a/src/backend/langflow/interface/types.py b/src/backend/langflow/interface/types.py
index 9ba2e7ba0..56410348b 100644
--- a/src/backend/langflow/interface/types.py
+++ b/src/backend/langflow/interface/types.py
@@ -359,7 +359,7 @@ def build_invalid_menu(invalid_components):
                     .get(type(CustomComponent()).__name__)
                 )
 
-                component_template["error"] = component.get("error", "")
+                component_template["error"] = component.get("error", None)
                 component_template.get("template").get("code")["value"] = component_code
 
                 invalid_menu[menu_name][component_name] = component_template
diff --git a/src/backend/langflow/template/frontend_node/base.py b/src/backend/langflow/template/frontend_node/base.py
index 208fdb093..fe19b5652 100644
--- a/src/backend/langflow/template/frontend_node/base.py
+++ b/src/backend/langflow/template/frontend_node/base.py
@@ -53,7 +53,7 @@ class FrontendNode(BaseModel):
     output_types: List[str] = []
     field_formatters: FieldFormatters = Field(default_factory=FieldFormatters)
     beta: bool = False
-    error: str = ""
+    error: Optional[str] = None
 
     # field formatters is an instance attribute but it is not used in the class
     # so we need to create a method to get it