Getting Below Issue while Starting Appium Server

Launching Appium server with command: C:\Program Files (x86)\Appium\node.exe lib\server\main.js --address 127.0.0.1 --port 4723 --app --avd-args -app --platform-name Android --platform-version 23 --automation-name Appium --log-no-color

module.js:117
throw e;
^
SyntaxError: Error parsing C:\Program Files (x86)\Appium\node_modules\appium\node_modules\argparse\package.json: Unexpected token