Can you please Upgrate the Quickstart package of this template?

Iḿ want to develop my site and installed this quickstart but when I update it to the latest version of Joomla, I got a lot of errors, 500 and 400, can you please upgrate this quickstart package to the latest joomla version, I just susbscribed because of this quickstart package and I cant use it.

Regards

Dear carlosmz

Please install our quickstart, then update joomla version. if it have error please send us the information of your site in the website information box to check directly

thanks

Ok it seems the problem was the way I was doing the joomla upgrate. fixed now thanks

Dear carlosmz

If you have any the problem please contact us

thanks

Hi! I installed the quickstart package. After updating to Joomla 3.8.3 in admin panel I see an error: "Fatal error: Call to undefined method JAdminCssMenu::addChild() in ....../administrator/modules/mod_sppagebuilder_admin_menu/tmpl/default_enabled.php on line 16"
Can I fix it?

Dear Ramov

please refer www.joomshaper.com/forums/joomla-3-8

thanks