Cannot login for past 2 days

Hi there, I’ve been having difficulty logging into Treepl for the past 2 days or so. It just keeps spinning after entering my credentials. I am using a private browsing window as well to avoid caching issues. Not sure what else to do?

Any suggestions. As I write this I am noticing I am using my bookmark, I will attempt to access straight through Login button on the website just in case something has changed.

Looks like I have resolved the issue. Issue with my Firefox browser and authentication. Thank you Aaron for helping me out with this.