Unable to click a button on a production server.

i have a website i've built using laravel and a bootstrap template. Everything works out fine on my local machine. How ever, on my server my button is not working. I'm unable to click on it, but if i delete the class (so it's a plain button), it's working. i've looked some of the website that told me that it's about the overlay is blocking the button. However, if some required form is not filled when i click the button, it works by saying the typical "Please fill out this field".

any kind of help will be appreciated. Cheers