Joomla! Template ET Fashion - Item Support

Hi, I just installed the template with Quick start, but I see several lines of error:
1) /web/htdocs/www.pressarte.it/home/libraries/quix/app/drivers/joomla/joomla.php on line 93 (home page)
2) Warning: count(): Parameter must be an array or an object that implements Countable in /web/htdocs/www.pressarte.it/home/libraries/quix/app/drivers/joomla/joomla.php on line 93 (home page)
3)
Warning: count(): Parameter must be an array or an object that implements Countable in /web/htdocs/www.pressarte.it/home/components/com_advportfoliopro/router.php on line 126 (portfolio page)
4) Warning: count(): Parameter must be an array or an object that implements Countable in /web/htdocs/www.pressarte.it/home/components/com_j2store/controllers/products.php on line 504 (J2Store page).

I followed the guide: https://enginetemplates.com/install-quickstart-package/#install-quickstart-package

How can I fix it? Thanks.
The PHP is 7.2.x

Now don't report the error because have set "none error reporting".
I would Not want the template, now, had problems.
Thanks.
Since PHP 7.3 got ERROR:
Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /htdocs/plugins/system/helix3/core/classes/menu.php on line 89

Any updates planned with this issue?
If that only solution for this problem, its ok for now but... bigger problem revealing when refreshing homepage with F5.

All quickstart package section positions in front page are messed up! Moving ca. 30px to the right. Girl with yellow jacket banner and image carousel in bottom of the page wont show up from edge to edge. Tested it with different browsers.

Any ideas?
Comment in status pending...

It will be published after it has been approved by the Website Administrator.
Now u have a Super User role.

Ok guys, it looks like you have no solution to my problem. My client is dissatisfied and I have to move on. I find a suitable template somewhere else.
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Item Name:
ET Fashion
Downloads:
517
Sales:
9
Created:
2018-05-14
Updated:
2019-09-23
Item Version:
3.0.0
$29.00 $23.10
Regular License
This item may be used for a single domain only.
$39.00 $31.20
Extended License

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