How to call C# class code in AX 2012 Job from Visual Studio 2013

I have  created a class in c# and added this to AX job through solution explorer:-

Now i need to call this c# code in AX 2012 job , for which i have wrote a below job:-

I have got a below error while compiling the ax job.

All the ax visual Studio component are installed.

Kindly let me know how to fix this bug.

We are using Ax 2012 R3 CU10.

Note : I have followed the steps mentioned in this video