diff --git a/py/show_text.py b/py/show_text.py
index f0fb564..5a013a5 100644
--- a/py/show_text.py
+++ b/py/show_text.py
@@ -19,12 +19,24 @@ class ShowText:
 
     CATEGORY = "utils"
 
-    def notify(self, text, unique_id = None, extra_pnginfo=None):
-        if unique_id and extra_pnginfo and "workflow" in extra_pnginfo[0]:
-            workflow = extra_pnginfo[0]["workflow"]
-            node = next((x for x in workflow["nodes"] if str(x["id"]) == unique_id[0]), None)
-            if node:
-                node["widgets_values"] = [text]
+    def notify(self, text, unique_id=None, extra_pnginfo=None):
+        if unique_id is not None and extra_pnginfo is not None:
+            if not isinstance(extra_pnginfo, list):
+                print("Error: extra_pnginfo is not a list")
+            elif (
+                not isinstance(extra_pnginfo[0], dict)
+                or "workflow" not in extra_pnginfo[0]
+            ):
+                print("Error: extra_pnginfo[0] is not a dict or missing 'workflow' key")
+            else:
+                workflow = extra_pnginfo[0]["workflow"]
+                node = next(
+                    (x for x in workflow["nodes"] if str(x["id"]) == str(unique_id[0])),
+                    None,
+                )
+                if node:
+                    node["widgets_values"] = [text]
+
         return {"ui": {"text": text}, "result": (text,)}