Error in Send email notification in Incident Management

Dear Experts ,

Could you please help me where I am going wrong.

Here is my problem.

Step-1: Trying to
send an email.

Step  2: Once clicked on Send E-mail. Below screen
appears

Step 3:

I followed http://scn.sap.com/docs/DOC-35291 . Now I have made some changes when I click on send email under follow up I am getting below screen.

Step 4:

Now how to get back to the previous screen and resolve the issue .

Regard's

Sai