Fatal error: Uncaught Error: Call to undefined function is_customize_preview() in /var/www/clients/client1/web5/web/blog.crazyinkjets.com/wp-admin/includes/admin-filters.php:54
Stack trace:
#0 /var/www/clients/client1/web5/web/blog.crazyinkjets.com/wp-admin/includes/admin.php(20): require_once()
#1 /var/www/clients/client1/web5/web/blog.crazyinkjets.com/wp-admin/includes/upgrade.php(17): require_once('/var/www/client...')
#2 /var/www/clients/client1/web5/web/blog.crazyinkjets.com/wp-admin/install.php(39): require_once('/var/www/client...')
#3 {main}
thrown in /var/www/clients/client1/web5/web/blog.crazyinkjets.com/wp-admin/includes/admin-filters.php on line 54