Yes! There is an issue:
jquery.js:2 Uncaught Error: Syntax error, unrecognized expression: #tab-additional_information?preview=true
at Function.ea.error (jquery.js:2)
at ea.tokenize (jquery.js:2)
at Function.ea (jquery.js:2)
at Function.a.find (jquery-migrate.min.js:2)
at a.fn.init.find (jquery.js:2)
at a.fn.init.a.fn.find (jquery-migrate.min.js:2)
at HTMLAnchorElement.<anonymous> (single-product.min.js:1)
at HTMLBodyElement.dispatch (jquery.js:3)
at HTMLBodyElement.r.handle (jquery.js:3)
at Object.trigger (jquery.js:3)