Pumper Bundle & QTY in Shella theme not work

Hi

I used to use the Sense theme in my store along with the Pumper app, and everything was working fine. However, when I switched to the Shella theme, the Pumper app isn’t detecting automatically. Even when I manually add it to the product page, it still doesn’t work.

Is there anyone who can help me solve this issue?

Thank you.

Hi

Can anybody help me to resolve this issue.

Thank you