Last update issue

Hi, I am using Siteorigin Page Builder with Virtue Premium theme.
Since the last update of your plugin (2.4.10) I have a problem with missing a part of css style in my html head, see:

<style type=”text/css” media=”all” id=”siteorigin-panels-grids-wp_head”>/* Layout 6 */ #pgc-6-0-0 , #pgc-6-0-1 , #pgc-6-1-0 , #pgc-6-1-1 { width:50% } #pg-6-0 { margin-bottom:40px } #pg-6-0 .panel-grid-cell , #pg-6-1 .panel-grid-cell { float:left } #pl-6 .panel-grid-cell .so-panel { margin-bottom:30px } #pl-6 .panel-grid-cell .so-panel:last-child { margin-bottom:0px } #pg-6-0 , #pg-6-1 { margin-left:-25px;margin-right:-25px } #pg-6-0 .panel-grid-cell , #pg-6-1 .panel-grid-cell { padding-left:25px;padding-right:25px } @media (max-width:780px){ #pg-6-0 .panel-grid-cell , #pg-6-1 .panel-grid-cell { float:none;width:auto } #pgc-6-0-0 , #pgc-6-1-0 { margin-bottom:30px } #pl-6 .panel-grid , #pl-6 .panel-grid-cell { } } </style>

This is messing up with my layout on mobile resolution, the content can be moved left and right. That was not an issue before, with the last version of the plugin.
I can fix this with adding my own css, but can you tell me why this part of the css is missing?
It is not a memory limit problem, I checked it out.
Thanks in advance, Gabi

https://ww.wp.xz.cn/plugins/siteorigin-panels/