Welcome to the Shopify community!
and Thanks for your Good question.
Please check your original theme is work?
so many issues your current theme js file please check
do you have use bold app?
can you please disable and check
I need your store login details. Yes, I know your login details are confidential. For this second option, I have added your store to my Shopify partner account so I will check your code easily and manage what you think about it?