PHP Fatal error: Undefined class 'Theme'
PHP Stack trace:
#0 /home/sites/site100008115/web/lernorte/wp-content/plugins/git-updater/vendor/afragen/singleton/Singleton.php(40): Fragen\Singleton::get_class()
#1 /home/sites/site100008115/web/lernorte/wp-content/plugins/git-updater/src/Git_Updater/Base.php(208): Fragen\Singleton::get_instance()
#2 /home/sites/site100008115/web/lernorte/wp-content/plugins/git-updater/src/Git_Updater/Base.php(192): Fragen\Git_Updater\Base->get_meta_themes()
#3 /home/sites/site100008115/web/lernorte/wp-includes/class-wp-hook.php(324): Fragen\Git_Updater\Base->load()
#4 /home/sites/site100008115/web/lernorte/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#5 /home/sites/site100008115/web/lernorte/wp-includes/plugin.php(517): WP_Hook->do_action()
#6 /home/sites/site100008115/web/lernorte/wp-settings.php(727): do_action()
#7 /home/sites/site100008115/web/lernorte/wp-config.php(119): require_once('...')
#8 /home/sites/site100008115/web/lernorte/wp-load.php(50): require_once('...')
#9 /home/sites/site100008115/web/lernorte/wp-blog-header.php(13): require_once('...')
#10 /home/sites/site100008115/web/lernorte/index.php(17): require('...')
#11 {main}