Add RSS feed is broken

[echomasterr]

Manually adding RSS feed
entered RSS URL in the "paste RSS link here..." window
Turned on the Include username and password
Added user name and password
SAVE
error box shows "Network error Connect to the internet and try again"
I am connected to internet

pixel 8 pro
Android 15 BP1A.250505.005.B1
ver 4.16.4 build 5284