Joomla! Template AT Politix - Item Support

Hello.
I instaled quick package on my site but that is noot a quick pack
"www.samanehmeli.net"
This package should contain Joomla! and It can be set up automatically but I do not have access to Joomla for instalation
Thanks a lot.
After installation, I updated Joomla to the last version and now everything is gon and I see an empty page.(admin panel is empty)
It is a couple of years that I'm using AS templates but never had so difficulty and problems!!!
Could you please tell me what happened?

samanehmeli.net/administrator
User: admin
Password: Samaneh@2018
Hi.
I find it and it was on line 45 and I changed but nothing happened.

Could you please help me to fix this?

Cpanel
www.samanehmeli.net/cpanel
user: barandazan
Password: Samaneh@2018

administrator
www.samanehmeli.net/administrator
User: admin
Password: Samaneh@2018

Thanks
Thank you so much.
AS is the Best
Hello.
Unit Revolution Slider doesn't work and show below error:

An error has occurred.
0 [] operator not supported for strings
Return to Control Panel

So I can not change the slider
How can I fix this?
Thanks

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Item Name:
AT Politix
Author:
Downloads:
281
Sales:
28
Created:
2017-04-25
$29.00 $21.75
Regular License
This item may be used for a single domain only.
$39.00 $29.25
Extended License

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