syafira5

Try to open header.php file via Appereance > Theme Editor in your website dashboard. Find this code <div id=”main-nav” class=”main-nav”> are there 2? If yes then you must delete one of the code with all its child elements.

If you can’t find it, then you can force hide via CSS code. Open style.css via theme editor and find this code:

#menu-header, .menu {
max-width: 960px;
margin: 0 auto;
}

then add this code below the above code:

#main-menu-1 {
display: none;
}

I have try to fix a similar case on my site paket wisata jogja and can fix it successfully