I have uploaded the theme zip file via the Wordpress installer
But the procedure stop work with error message...

This is the error that I see if I enable the Preview of the theme from WordPress Admin Theme Panel:

Fatal error: Uncaught exception 'InvalidArgumentException' with message 'Invalid argument passed to foreach resp. NSmartCachingIterator; array or Traversable expected, NULL given.' in C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\AIT\Framework\Libs
ette.min.php:16059 Stack trace: #0 C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\ait-cache\_wplatte\_Templates.main-layout.php-d366068a2de33dc0954e27cdf3646945.php(72): NSmartCachingIterator->__construct(NULL) #1 C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\AIT\Framework\Libs
ette.min.php(650): include('C:\HostingSpace...') #2 C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\AIT\Framework\WpLatte\WpLatte.php(135): NLimitedScope::load('C:\HostingSpace...', Array) #3 C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\ait-cache\_wplatte\_Templates.main-index.php-7b66d82ec3054a1a115604bf2 in C:\HostingSpaces\usr_puntalance\puntalance.it\wwwroot\CMS\wp-content\themes\arctica\AIT\Framework\Libs
ette.min.php on line 16059

For faster issue resolution please provide:
URL to your website: www.puntalance.it/cms
Browser version: all version
Theme version: last... I have just bought it.
October 15, 2012, 1:14pm
I rewrite:
I can’t install the theme via WordPress wizard (uploading zip file). An error stop the theme installing process. If I upload and uncompress the zip file manually I can see the theme in the Theme section of WordPress but without Preview (only gray box) and the website response with with error/bad theme (seem that CSS is missing)... You can see the theme in action here: http://www.puntalance.it/cms/ What I can do? Thank You
October 15, 2012, 1:32pm

AIT Supportivan
Hi, may I have an access to your site? Please send me an email with admin and FTP credentials, follow instructions in my signature. I'll check this problem.
Thanks, Ivan.
October 15, 2012, 3:27pm

I have the file style.css but it contain only this:

Theme Name: Arctica
Theme URI: http://preview.ait-themes.com/arctica/wp
Author: AIT-Themes.com
Description: Follow us on Themeforest or Twitter
Version: 1.17
License: GNU General Public License
License URI: http://www.gnu.org/licenses/gpl.html

...is it normal?
October 16, 2012, 9:51am

I have exactly the same problem, any solution available yet? I uploaded the theme with FTP manually.
October 29, 2012, 6:01am

AIT Supportivan
@andreareit, file style.css is dynamically generates so it is ok that this file is empty, the content is generated before each page load. Styles are in style.less.css

@otherplans, thanks for your mail, I tried to activate template and cant see any problem with your site, or you just ask about the style.css file?

Thanks, Ivan.
October 29, 2012, 1:10pm

Thanks Ivan. I am only looking for the menu items to expand.
October 31, 2012, 11:20am