Fatal error: Uncaught Error: Call to undefined function GUTE\Includes\Classes\is_woocommerce() in /home/users/lit_magazyn/public_html/wp-content/themes/gutez/includes/classes/common.php:117 Stack trace: #0 /home/users/lit_magazyn/public_html/wp-content/themes/gutez/includes/classes/common.php(46): GUTE\Includes\Classes\Common->single('single') #1 /home/users/lit_magazyn/public_html/wp-content/themes/gutez/single.php(13): GUTE\Includes\Classes\Common->get() #2 /home/users/lit_magazyn/public_html/wp-includes/template-loader.php(106): include('/home/users/lit...') #3 /home/users/lit_magazyn/public_html/wp-blog-header.php(19): require_once('/home/users/lit...') #4 /home/users/lit_magazyn/public_html/index.php(17): require('/home/users/lit...') #5 {main} thrown in /home/users/lit_magazyn/public_html/wp-content/themes/gutez/includes/classes/common.php on line 117