Geting errors while using MBOs

Dear All,

       I am using Sybase Unwired Workspace( Mobile SDK) version 2.1 esd 3.

      When I am adding an MBO in my Mobile App project. It gives out a error:

         > Invalid attribute name : '<mbo name>-TYPE'.name cannot be a Java or C# language keyboard

      When I am trying to generate the code, it gives out a information message:

          >  The third-party class 'android.content.Context' cannot be found

      When I am generating code. In the 'src' folder the program '<project name>DB.java' program I'm getting error in the following code:

     How to overcome these errors.