PHP Fatal error: Undefined class 'Plugin'
PHP Stack trace:
#0 /var/www/html/wp-content/plugins/git-updater/vendor/afragen/singleton/Singleton.php(40): Fragen\Singleton::get_class('Plugin', 'Fragen\\Git_Upda...')
#1 /var/www/html/wp-content/plugins/git-updater/src/Git_Updater/Base.php(185): Fragen\Singleton::get_instance('Plugin', Object(Fragen\Git_Updater\Base))
#2 /var/www/html/wp-content/plugins/git-updater/src/Git_Updater/Base.php(175): Fragen\Git_Updater\Base->get_meta_plugins()
#3 /var/www/html/wp-includes/class-wp-hook.php(341): Fragen\Git_Updater\Base->load('')
#4 /var/www/html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array)
#5 /var/www/html/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#6 /var/www/html/wp-settings.php(742): do_action('init')
#7 /var/www/html/wp-config.php(114): require_once('/var/www/html/w...')
#8 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#9 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#10 /var/www/html/index.php(17): require('/var/www/html/w...')
#11 {main}