Uncaught TypeError: moment.tz is not a function

Hi All,

I have problem with Raffle Ticket Generator Gold – Woocommerce.

When is plugin enable, I got an error in the console, and my navigation not working properly.

Uncaught TypeError: moment.tz is not a function
    at HTMLDocument.<anonymous> (script.js?ver=5.4.2:5)
    at i (jquery.js?ver=1.12.4-wp:2)
    at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4-wp:2)
    at Function.ready (jquery.js?ver=1.12.4-wp:2)
    at HTMLDocument.J (jquery.js?ver=1.12.4-wp:2)

This is full code of my script.js file

jQuery(function() {

	
	var nextYear_winner = moment.tz(jQuery('#time-remaining-winner').val(), jQuery('#timezone-winner').val());
jQuery('#time-winner').countdown(nextYear_winner.toDate(), function(event) {
   var $this = jQuery(this).html(event.strftime(''
    + '<span>%-w</span> week%!w '
    + '<span>%-d</span> day%!d '
    + '<span>%H</span> hr '
    + '<span>%M</span> min '
    + '<span>%S</span> sec'));
	if(event.elapsed) {
		
		  jQuery("#start").html('<p style="color:red; font-weight:bold">'+jQuery("#textstart").val()+'</p>');
		    jQuery('#winner').css({'opacity' : '1' });
			jQuery(".newsticker-jcarousellite").jCarouselLite({
		vertical: true,
		hoverPause:false,
		visible: 5,
		auto:500,
		speed:-300,
		btnNext: ".next",
		btnPrev: ".prev"
		
		
	});
	jQuery( ".prev" ).trigger( "click" );
	jQuery('#time-winner').hide();
	jQuery('#time-winner-selection').countdown(nextYear_winner.add(jQuery("#time").val()/2,jQuery("#formate").val()).toDate(), function(event) {
   var $this = jQuery(this).html(event.strftime(''
    + '<span>%-w</span> week%!w '
    + '<span>%-d</span> day%!d '
    + '<span>%H</span> hr '
    + '<span>%M</span> min '
    + '<span>%S</span> sec'));
	if(event.elapsed) {
		 jQuery(this).html('<p style="color:red; font-weight:bold">'+jQuery("#textend").val()+'</p>');
		jQuery("#start").hide();
	jQuery( ".next" ).trigger( "click" );
	 jQuery(".newsticker-jcarousellite").hide();
	 
	 var winnertype = '';
	 for (i = 1; i <= jQuery("#numberofwinners").val(); i++) { 
	 winnertype += ','+jQuery("#winnertype"+i).val();
	 }
		jQuery.post(wpAjax.wpurl+"/wp-content/plugins/raffle-ticket-generator-gold/includes/ajax/ajax.php",
    {
        time: jQuery("#time-remaining-winner").val(),
        cattid: jQuery("#catid").val(),
		timezone:jQuery("#timezone-winner").val(),
		winnertypes:winnertype
    })
  .done(function( data ) {
        jQuery(".winner-selected").html(data);
    });   
	  jQuery(".winner-selected").show();
	jQuery(this).unbind();
	}
	});
		
	}
	else {
	 jQuery(".winners").hide();
	 jQuery(".winner-selected").hide();
		   
	}

});
	
	
	jQuery('.quantity input[name=quantity]').change(function() {
	inputboxes = '';
	ticket_numbers = jQuery('#no_of_tickets').val();
	for (i = 1; i<=jQuery(this).val()*ticket_numbers; i++) {
		inputboxes += '<label>Ticket Number '+i+' :</label><input type="text" value="" id ="manual_ticket_number_'+i+'" name="manual_ticket_number_'+i+'" onblur=check_manual_ticket_number("manual_ticket_number_'+i+'")><span></span><br />';
				}
				if (jQuery(this).val()*ticket_numbers > 3) {
					inputboxes += '<br><input type="button" class="button alt" value="Fill all remaining tickets" style="float:right" onclick=fill_remaining("'+jQuery(this).val()*ticket_numbers+'")>';	
				}
  jQuery('#manual').html(inputboxes);
});
	
	
var nextYear_start = moment.tz(jQuery('#time-start-input').val(), jQuery('#timezone-start').val());
var nextYear_remaining = moment.tz(jQuery('#time-remaining-input').val(), jQuery('#timezone-remaining').val());
jQuery('#time-remaining-start').countdown(nextYear_start.toDate(), function(event) {
   var $this = jQuery(this).html(event.strftime(''
    + '<span>%-w</span> week%!w '
    + '<span>%-d</span> day%!d '
    + '<span>%H</span> hr '
    + '<span>%M</span> min '
    + '<span>%S</span> sec'));
	if (event.elapsed){
		 jQuery(this).html('');
		jQuery(".single_add_to_cart_button").show();
		    jQuery(".quantity").show();	
			jQuery("#start").hide();
			jQuery("#time-remaining-start").hide();
			jQuery("#end").show();
			jQuery("#time-remaining").show();
	}
	else {
	 jQuery(".single_add_to_cart_button").hide();
		    jQuery(".quantity").hide();	
			jQuery("#end").hide();
			jQuery("#time-remaining").hide();
	}
	
});
jQuery('#time-remaining').countdown(nextYear_remaining.toDate(), function(event) {
   var $this = jQuery(this).html(event.strftime(''
    + '<span>%-w</span> week%!w '
    + '<span>%-d</span> day%!d '
    + '<span>%H</span> hr '
    + '<span>%M</span> min '
    + '<span>%S</span> sec'));
	if (event.elapsed){
		 jQuery(this).html('<p style="color:red; font-weight:bold">This Raffle has ended.</p>');
		  jQuery(".single_add_to_cart_button").hide();
		    jQuery(".quantity").hide();
			jQuery("#end").hide();
			jQuery("#start").hide();
			jQuery("#time-remaining-start").hide();
	}
	
});

	jQuery( "#start" ).click(function() {

  jQuery('#newsticker-demo').css({'opacity' : '1' });

  jQuery('.winner-top').hide('slow');

});

jQuery( "#stop" ).click(function() {

  jQuery('#newsticker-demo').hide('slow');

  jQuery('#winner-name').show('slow');

});

	jQuery(".newsticker-jcarousellite").jCarouselLite({

		vertical: true,

		hoverPause:true,

		visible: 3,

		auto:500,

		speed:-400,

		btnNext: ".next",

		btnPrev: ".prev"

		

		

	});

});

function manual_ticket_selection(id) {
	if (id == "ticket_selection_automatically") {
		jQuery('#manual input').removeAttr('required');
		jQuery('#ticket_type').val('automatic');
		jQuery('.quantity').show('slow');
		jQuery('.single_add_to_cart_button').show('slow');
		jQuery('#manual').hide('slow');
	}
	if (id == "ticket_selection_manual") {
		jQuery('#manual input').attr('required', 'required');
		jQuery('#ticket_type').val('manual');
		jQuery('.quantity').hide('slow');
		jQuery('.single_add_to_cart_button').hide('slow');
		jQuery('#manual').show('slow');
	}
	
	
}
   function check_manual_ticket_number(id) {
	   if (jQuery('#'+id).val() != '') {
		   var duplicate = CheckDuplicates();
		   
	if (duplicate == true) {
		jQuery('#'+id).val('');
		alert(" Duplicates Not allowed");
	}
	    jQuery.post(wpAjax.wpurl+"/wp-content/plugins/raffle-ticket-generator-gold/includes/ajax/manual_tickets_ajax.php",
    {
        cat_id: jQuery("#cat_id").val(),
		tickets_designation: jQuery("#tickets_designation").val(),
		ticket_prefix: jQuery("#ticket_prefix").val(),
        ticket_number: jQuery('#'+id).val(),
		manual_ticket_number_id:id
    })
  .done(function( data ) {
		if (data == 'Not Available') {
		alert(data+" Try adding some other number");
		jQuery('#'+id).val('');
		jQuery('#'+id).css('border','1px solid #ff0000');
			jQuery('.quantity').hide('slow');
		jQuery('.single_add_to_cart_button').hide('slow');
		}
		else {
			jQuery('#'+id).css('border','1px solid green');
			jQuery('.quantity').show('slow');
		jQuery('.single_add_to_cart_button').show('slow');
		
		}
    });
	
	   }
   }
   function fill_remaining(number_of_tickets) {
	   j = 0;
	   empty_ids = '';
	   for(i=0;i<=number_of_tickets;i++) {
		   if (jQuery('#manual_ticket_number_'+i).val() == '') {
			j++;
			  empty_ids += i+',';
		   }
		   
	   }
	  
	   jQuery.post(wpAjax.wpurl+"/wp-content/plugins/raffle-ticket-generator-gold/includes/ajax/put_tickets_ajax.php",
    {
        cat_id: jQuery("#cat_id").val(),
		tickets_designation: jQuery("#tickets_designation").val(),
		ticket_prefix: jQuery("#ticket_prefix").val(),
        number_of_tickets_to_generate: j,
		emptyids : empty_ids
    })
	.done(function( data ) {
		
       var ticketnumber = data.split(",");
		var emptyids = empty_ids.split(",");
		
		for (k=0;k<=emptyids.length;k++) {
			jQuery('#manual_ticket_number_'+emptyids[k]).val(ticketnumber[k]) ;
		}
		jQuery('.quantity').show('slow');
		jQuery('.single_add_to_cart_button').show('slow');
    });
	   
   }
   
   function CheckDuplicates() {
    var values = [];  //Create array where we'll store values

    jQuery(".duplicate").removeClass("duplicate"); //Clear all duplicates
    var $inputs = jQuery('input[class="manual_inputs"]'); //Store all inputs 
    
    $inputs.each(function() {   //Loop through the inputs
    
        var v = this.value;
        if (!v) return true; //If no value, skip this input
        
        //If this value is a duplicate, get all inputs from our list that
        //have this value, and mark them ALL as duplicates
        if (values.includes(v)) $inputs.filter(function() { return this.value == v }).addClass("duplicate");
        
        values.push(v); //Add the value to our array
    });
    
    return jQuery(".duplicate").length > 0;

}