org.openqa.selenium.SessionNotCreatedException: Language requested, en ,isn't supported.Supported ar

[sai krishna]

Hi Folks, 

WHen i try to run ios driver with my application i get the below error . But when i tried with sample app from the wiki its running fine . Please find the below error 

I have the source code on my system , is there anything that i need to add into the project . 

Please help on this ,  its a blocker for me to start automating my app.

Exception in thread "main" org.openqa.selenium.SessionNotCreatedException: Language requested, en ,isn't supported.Supported are : []

Build info: version: 'unknown', revision: 'unknown', time: 'unknown'

System info: os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.2', java.version: '1.6.0_43'

Driver info: driver.version: IOSDriver

Build info: version: 'unknown', revision: 'unknown', time: 'unknown'

System info: os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.2', java.version: '1.6.0_43'

Driver info: driver.version: unknown

Command duration or timeout: 358 milliseconds

Build info: version: '2.28.0', revision: '18309', time: '2012-12-11 20:21:27'

System info: os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.8.2', java.version: '1.6.0_43'

Driver info: org.openqa.selenium.remote.RemoteWebDriver

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)

at java.lang.reflect.Constructor.newInstance(Constructor.java:513)

at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:187)

at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:151)

at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:533)

at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:216)

at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:111)

at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:129)

at com.test.IphoneDriver.SAmple.main(SAmple.java:30)