org.openqa.selenium.WebDriverException: Unable to convert: Capabilities [{null=null, n

Hello,

I’m getting below error while running my script, anyone can able to help me on this. Thanks,

Appium version :1.6.4 beta
org.openqa.selenium.WebDriverException: Unable to convert: Capabilities [{null=null, newCommandTimeout=300, platformVersion=6.0.1, automationName=Appium, browserName=null, platformName=Android, deviceName=Galaxy S6}]
Build info: version: ‘3.0.1’, revision: ‘1969d75’, time: ‘2016-10-18 09:49:13 -0700’
System info: host: ‘qalab’, ip: ‘10.99.50.77’, os.name: ‘Mac OS X’, os.arch: ‘x86_64’, os.version: ‘10.12.3’, java.version: ‘1.8.0_102’
Driver info: driver.version: AndroidDriver

FYI . my prop file

explicit.wait=120
default.wait=3
implicit.wait=10
application.path=/resources/app/app-release_0_39_0.apk
appPackage=com.movpoc.android
application.activity=com.movpoc.android.activity.LaunchActivity
appium.server.port=4723
automation.instumentation=Appium
browser.name=null
platform.name=Android
device.name=Galaxy S6
platform.version=6.0.1
new.command.timeout=300
device.ready.timeout=300