3
I have seen this MANY times now.
It is caused by News using an old template.
Update the News module
Make sure you are using the default template set or regenerate the template for news_index.html in your used template set
Update the News module
Clear templates_c directory of news-related templates
Update the News module
Make sure no cache is set for the News module
Update the News module
Best I can do, I'm afraid.