How to add Widgetbucks After Blog Post in Blogger?

I search for this code and place widgetbucks code right after it:

<p><dataost.body/></p>
<!--WIDGETBUCKS CODE -->

However the template can't be saved because if you add the code the xml contains errors...

Does anyone have a solution on this issue?

 

This is the error I get :

And this is the widgetbucks code. (I can't add an ; after apiURL it wouldn't work then...). I only removed the container and user ID and replaced it with xxx and REMOVED.