Fatal error: Uncaught Error: Class "\MailPoet\Form\Widget" not found in /customers/b/5/3/norlak.dk/httpd.www/wp-includes/class-wp-widget-factory.php:62
Stack trace:
#0 /customers/b/5/3/norlak.dk/httpd.www/wp-includes/widgets.php(115): WP_Widget_Factory->register('\\MailPoet\\Form\\...')
#1 /customers/b/5/3/norlak.dk/httpd.www/wp-content/plugins/mailpoet/lib/WP/Functions.php(436): register_widget('\\MailPoet\\Form\\...')
#2 /customers/b/5/3/norlak.dk/httpd.www/wp-content/plugins/mailpoet/lib/Config/Initializer.php(357): MailPoet\WP\Functions->registerWidget('\\MailPoet\\Form\\...')
#3 /customers/b/5/3/norlak.dk/httpd.www/wp-content/plugins/mailpoet/lib/Config/Initializer.php(348): MailPoet\Config\Initializer->setupWidget()
#4 /customers/b/5/3/norlak.dk/httpd.www/wp-includes/class-wp-hook.php(324): MailPoet\Config\Initializer->preInitialize('')
#5 /customers/b/5/3/norlak.dk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#6 /customers/b/5/3/norlak.dk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /customers/b/5/3/norlak.dk/httpd.www/wp-settings.php(695): do_action('init')
#8 /customers/b/5/3/norlak.dk/httpd.www/wp-config.php(118): require_once('/customers/b/5/...')
#9 /customers/b/5/3/norlak.dk/httpd.www/wp-load.php(50): require_once('/customers/b/5/...')
#10 /customers/b/5/3/norlak.dk/httpd.www/wp-blog-header.php(13): require_once('/customers/b/5/...')
#11 /customers/b/5/3/norlak.dk/httpd.www/index.php(17): require('/customers/b/5/...')
#12 {main}
  thrown in /customers/b/5/3/norlak.dk/httpd.www/wp-includes/class-wp-widget-factory.php on line 62