Javascript conflict only in Chrome

With my template occurs this error on this menu:
https://sandkiste.flute.at/werkstatt.html (as well as on subpages)

Uncaught TypeError: $.scrollTo is not a function
at originalScrollTo (common.js:9)
at a.fn.init.$.fn.scroll (common.js:25)
at HTMLDocument.<anonymous> (werkstatt.html:878)
at i (jquery.min.js:2)
at Object.fireWith [as resolveWith] (jquery.min.js:2)
at Function.ready (jquery.min.js:2)
at HTMLDocument.K (jquery.min.js:2)
originalScrollTo @ common.js:9
$.fn.scroll @ common.js:25
(anonymous) @ werkstatt.html:878
i @ jquery.min.js:2
fireWith @ jquery.min.js:2
ready @ jquery.min.js:2
K @ jquery.min.js:2

I've added this script to the bottom of my index.php:

<script type="text/javascript">

	// http://html-tuts.com/back-to-top-button-jquery/

	// create the back to top button

jQuery(document).ready(function(){

	

jQuery('body').prepend('<a href="#" class="back-to-top btn no-btn btn-sm hidden-sm hidden-xs"><i class="fa fa-arrow-circle-up" aria-hidden="true"></i>Back to Top</a>');



var amountScrolled = 200;

	

	jQuery(window).scroll(function() {

		if ( jQuery(window).scrollTop() > amountScrolled ) {

			jQuery('a.back-to-top').fadeIn('slow');

		} else {

			jQuery('a.back-to-top').fadeOut('slow');

		}

	});



	jQuery('a.back-to-top, a.simple-back-to-top').click(function() {

		jQuery('html, body').animate({

			scrollTop: 0

		}, 700);

		return false;

	});

});

</script>

The error only occurs in Google Chrome.

Can you give me some help to solve this issue? Thank you!