Stumbleupon not posting title 100% of the time

Stumbleupon does not allow you to setup a title, image and description, it does that all by itself.

This %TITLE% – %EXCERPT% is inserted as first comment to your submission.

please check this error

https://prntscr.com/3cp4h7

i have published a test post but i can’t see it, is working?

where can i see it? each time i post a post, it’s add as a new page? or how it works? thanks

https://www.stumbleupon.com/stumbler/futbolonlinetv

It just adds a new bookmark to your Stumbleupon account.