diff --git a/ddm_nodes.py b/ddm_nodes.py
index d383e3c..414eeb9 100644
--- a/ddm_nodes.py
+++ b/ddm_nodes.py
@@ -19,28 +19,21 @@ class DDM_SetNode:
     Store any value with a unique identifier.
     """
     
-    def __init__(self):
-        pass
-    
     @classmethod
     def INPUT_TYPES(cls):
         return {
             "required": {
                 "value": (any_type,),
-                "id": ("STRING", {
-                    "default": "value",
-                }),
+                "id": ("STRING", {"default": "value"}),
             },
         }
     
     RETURN_TYPES = (any_type,)
-    RETURN_NAMES = ("value",)
+    RETURN_NAMES = ("*",)
     FUNCTION = "execute"
     CATEGORY = "DDM Bundle"
-    OUTPUT_NODE = False
     
     def execute(self, value, id):
-        """Store the value and pass it through"""
         STORAGE[id] = value
         return (value,)
 
@@ -50,53 +43,29 @@ class DDM_GetNode:
     Retrieve a stored value by identifier.
     """
     
-    def __init__(self):
-        pass
-    
     @classmethod
     def INPUT_TYPES(cls):
         return {
             "required": {
-                "id": ("STRING", {
-                    "default": "value",
-                }),
+                "id": ("STRING", {"default": "value"}),
             },
         }
     
     RETURN_TYPES = (any_type,)
-    RETURN_NAMES = ("value",)
+    RETURN_NAMES = ("*",)
     FUNCTION = "execute"
     CATEGORY = "DDM Bundle"
-    OUTPUT_NODE = False
-    
-    @classmethod
-    def VALIDATE_INPUTS(cls, id):
-        """
-        Always return True - validation happens at execution time
-        """
-        return True
     
     @classmethod
     def IS_CHANGED(cls, id):
-        """
-        Force re-execution every time
-        """
         return float("nan")
     
     def execute(self, id):
-        """
-        Retrieve the stored value
-        """
         if id not in STORAGE:
-            print(f"Warning: DDM_GetNode - ID '{id}' not found in storage")
-            print(f"Available IDs: {list(STORAGE.keys())}")
-            # Return a dummy value to prevent validation errors
-            return (None,)
-        
+            raise ValueError(f"DDM Get Node: ID '{id}' not found in storage. Available: {list(STORAGE.keys())}")
         return (STORAGE[id],)
 
 
-# Node registration for ComfyUI
 NODE_CLASS_MAPPINGS = {
     "DDM_SetNode": DDM_SetNode,
     "DDM_GetNode": DDM_GetNode,