import json

def write_dict_to_json(data, filename="data.json", indent=4):
    try:
        with open(filename, 'w') as json_file:
            json.dump(data, json_file, indent=indent)
        print(f"Successfully wrote dictionary to {filename}")
    except (IOError, json.JSONDecodeError) as e:
        print(f"Error writing to JSON file: {e}")