Fatal error: Uncaught Error: Non-static method Hizzle\Noptin\Subscribers\Main::init() cannot be called statically in /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/build/autoload.php:20 Stack trace: #0 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/vendor/composer/autoload_real.php(41): require() #1 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/vendor/composer/autoload_real.php(45): {closure}('d6774e7ef10b855...', '/home/piratesho...') #2 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/vendor/autoload.php(25): ComposerAutoloaderInitd4095a2753c173a59c96834ab522bdaa::getLoader() #3 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/noptin.php(280): require_once('/home/piratesho...') #4 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/noptin.php(254): Noptin->load_files() #5 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/noptin.php(235): Noptin->__construct() #6 /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/noptin.php(552): Noptin::instance() #7 /home/pirateshop/frajul.se/wp-settings.php(517): include_once('/home/piratesho...') #8 /home/pirateshop/frajul.se/wp-config.php(89): require_once('/home/piratesho...') #9 /home/pirateshop/frajul.se/wp-load.php(50): require_once('/home/piratesho...') #10 /home/pirateshop/frajul.se/wp-blog-header.php(13): require_once('/home/piratesho...') #11 /home/pirateshop/frajul.se/index.php(17): require('/home/piratesho...') #12 {main} thrown in /home/pirateshop/frajul.se/wp-content/plugins/newsletter-optin-box/build/autoload.php on line 20