Update index.js

index.js

@@ -82,7 +82,7 @@ app.post('/generate-key', async (req, res) => {
     });
     res.json({ apiKey: newKey });
   } catch (err) {
-    res.status(500).json({ error: 'Key generation failed' });
+    res.status(500).json({ error: `Key generation failed ${err.message}` });
   }
 });