Hi Nastts wazekbusiness ,
Welcome to the Buttonizer forums! 😄
I tested out the back button on the link that you sent and it seems to be working correctly.
When you tested it out, did you perhaps test it on a completely new tab without a previous page?
If your tab didn't have a previous page in it's history, the button will not work since it has nowhere to redirect the user to.
Here are some examples to show what I mean:
When you have a previous page in your history:
When you don't have a previous page in your history:
Let me know if this was the case for you!