Kleo theme not working CAN YOU PLEASE HELP US

Hello

Our website is a complete disaster we can not continuum working on it consequently we are loosing money. We thought the problem was because Visual Composer plugin, they review the site and determinate is because Kleo theme CAN YOU PLEASE HELP US

We don’t receive any message as

 “Uncaught Error: Syntax error, unrecognized expression: .kleo-main-header .nav > li a[href=#undefined]” 

We simple can find where to work????

We update to WP version 4.5

We update Kleo Version: 4.0.6

We was working in Kleo child

Normal
0

false
false
false

EN-US
JA
X-NONE

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:”Table Normal”;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-parent:””;
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin:0in;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:12.0pt;
font-family:Cambria;
mso-ascii-font-family:Cambria;
mso-ascii-theme-font:minor-latin;
mso-hansi-font-family:Cambria;
mso-hansi-theme-font:minor-latin;}

Thank in advance