Whoops. I had included another SimplePie class definition that conflicted with the one that came with WordPress. That one defined the create() method as static.
Whoops. I had included another SimplePie class definition that conflicted with the one that came with WordPress. That one defined the create() method as static.
I still get the message even after I deactivated all my plugins and removed all my mu-plugins.
I’ll try re-copying the files. Thanks for the suggestion.
