Chatting Problem

I have a back endless publish/subscribe example app which shows a sample chatting option. But when I tried to use it in my app there is an error stating that the built in method messagestatus is not available in the backendless.jar.
That class is missing from the back endless.jar which I use any way to rectify it.
Thank you.

What version of backendless.jar do you use?

Hi Christie,

Is it a sample from Code Generation?

Its from the backendless jar folder I downloaded from you site guess its not an updated jar file