import os

def load_target_data():
    """
    Load target data from /Eden_OLD_2TB/target_data.json.

    Returns:
        dict or None: Target data dictionary if file exists, otherwise None.
    """
    target_data_path = '/Eden_OLD_2TB/target_data.json'
    if os.path.exists(target_data_path):
        with open(target_data_path, 'r') as f:
            return json.load(f)
    else:
        print("Error: File not found.")
        return None