Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-widget-factory.php on line 62 and at least 2 expected in /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-widget.php:163
Stack trace:
#0 /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-widget-factory.php(62): WP_Widget->__construct()
#1 /var/www/vhosts/popart.ch/httpdocs/wp-includes/widgets.php(115): WP_Widget_Factory->register('gp_Widget_Recen...')
#2 /var/www/vhosts/popart.ch/httpdocs/wp-content/themes/muse/backend/inits/init-widgets.php(25): register_widget('gp_Widget_Recen...')
#3 /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-hook.php(324): register_widgets('')
#4 /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#5 /var/www/vhosts/popart.ch/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#6 /var/www/vhosts/popart.ch/httpdocs/wp-includes/widgets.php(1862): do_action('widgets_init')
#7 /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-hook.php(324): wp_widgets_init('')
#8 /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#9 /var/www/vhosts/popart.ch/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#10 /var/www/vhosts/popart.ch/httpdocs/wp-settings.php(695): do_action('init')
#11 /var/www/vhosts/popart.ch/httpdocs/wp-config.php(84): require_once('/var/www/vhosts...')
#12 /var/www/vhosts/popart.ch/httpdocs/wp-load.php(50): require_once('/var/www/vhosts...')
#13 /var/www/vhosts/popart.ch/httpdocs/wp-blog-header.php(13): require_once('/var/www/vhosts...')
#14 /var/www/vhosts/popart.ch/httpdocs/index.php(17): require('/var/www/vhosts...')
#15 {main}
thrown in /var/www/vhosts/popart.ch/httpdocs/wp-includes/class-wp-widget.php on line 163