As noted in another post, starting over from github.com did the trick.
On Thu, 14 Nov 2024, Tim via users wrote:
In Firefox's setting, go into the privacy & security section, there's a cookies and site data sub-section with a clear button. That "clear" button pops up a window with options, rather than simply clears everything when you hit it. Depending on your version you may have options like
Thanks for the info. 'Tis rather like having a button labeled "danger: dragons" when the most dangerous thing it gives you is directions to Komodo.