Fatal error: Uncaught Error: Class 'WP_Theme' not found in /srv/users/serverpilot/apps/u-healthring/public/wp-includes/theme.php:133 Stack trace: #0 /srv/users/serverpilot/apps/u-healthring/public/wp-includes/theme.php(4322): wp_get_theme() #1 /srv/users/serverpilot/apps/u-healthring/public/wp-includes/theme.php(4349): wp_is_block_theme() #2 /srv/users/serverpilot/apps/u-healthring/public/wp-includes/class-wp-hook.php(324): _add_default_theme_supports('') #3 /srv/users/serverpilot/apps/u-healthring/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #4 /srv/users/serverpilot/apps/u-healthring/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /srv/users/serverpilot/apps/u-healthring/public/wp-settings.php(673): do_action('after_setup_the...') #6 /srv/users/serverpilot/apps/u-healthring/public/wp-config.php(110): require_once('/srv/users/serv...') #7 /srv/users/serverpilot/apps/u-healthring/public/wp-load.php(50): require_once('/srv/users/serv...') #8 /srv/users/serverpilot/apps/u-hea in /srv/users/serverpilot/apps/u-healthring/public/wp-includes/theme.php on line 133