Uncaught TypeError: Cannot read property ‘split’ of undefined (Table Press)

Errors:
(index):2113 Uncaught TypeError: Cannot read property ‘split’ of undefined
at HTMLTableRowElement.<anonymous> ((index):2113)
at Function.each (jquery.js?ver=1.12.4-wp:2)
at n.fn.init.each (jquery.js?ver=1.12.4-wp:2)
at HTMLDocument.<anonymous> ((index):2110)
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)

Problem:
I have install tablepress on my site but when i activate tablepress on site menu of my site on mobile view not working (converted in toggel). when i deactivate tablepress its working properly. and the code is showing that is not on menu files. how i can resolve it.

Code thats shows:

jQuery('.tablepress > tbody > tr').each(function(i) {
		
    var customerId = jQuery(this).find("td").eq(1).html();  
    var res = customerId.split("/"); // on this line error on split
		var mont= res[0];
		var da= res[1];
		var currentmonth=parseInt(mont);
		var currentday=parseInt(da);
		if(currentmonth == m &&   din > currentday ){
		var counter=i+1;
		jQuery('.tablepress > tbody > tr:nth-child('+ counter +')').hide();
		}
	
		//return false;