Trailing comma in JSON

Broken example

{
  "name": "Ada",
}

Corrected example

{
  "name": "Ada"
}

Why this error happens

Trailing commas usually appear when developers copy object syntax from JavaScript or edit a list and forget to remove the old separator from the final item.

How to fix it

1. Locate the last item in each object or array.
2. Remove any comma that comes directly before a closing brace or bracket.
3. Validate the JSON again.
4. Format the fixed result to confirm the structure.