what happened to me was:
After i click your link. I need to log in.
Then i log in (another page).
Then i come back to your link.
Then its need to login again.
Repeat 🔁 🔁🔁🔁 hahaha. Repeat 🔁🔁🔁

After that. I click your link.
Upvote. Wait ... (Still need to login)
Upvote again, and again, then page show me small login page.
After that .. its done! Voted!

I am really newbie 🤣
Thank for guiding me! 🔥